• Abdominal disease
    • Peritoneal disease
      • Peritonitis
  • Abnormal substrate concentration
    • Abnormal substrate concentration in blood
      • Abnormally high substrate concentration
        • Hypercalcemia
        • Hyperchlorhydria
        • Hyperinsulinemia
        • Hyperlipidemia
          • Hyperlipidemia
        • Hyperoxia
        • Hyperphosphatemia
        • Hyperprolactinemia
        • Uremia
        • Hyperuricemia
      • Abnormally low substrate concentration
        • Hypocalcemia
        • Hypoglycemia
        • Hypokalemia [Potassium deficiency]
        • Hypolipidemia
        • Hyponatremia [Sodium deficiency]
        • Hypophosphatemia
    • Abnormal urine composition
      • Phenylketonuria
  • Asthenia
    • Chronic asthenia syndrome
  • Atrophy
    • Muscle wasting disease
  • Breast disease
    • Breast tumor
    • Mastitis
  • Cardiovascular disease
    • Cardiovascular inflammation [Inflammation, cardiovascular]
    • Cardiovascular tumor [Cardiovascular cancer]
    • Heart disease
      • Coronary artery disease
        • Restenosis [Re-stenosis]
      • Endocardial disease
        • Endocarditis
      • Heart arrhythmia [Arrhythmia]
        • Bradycardia
        • Heart muscle conduction disturbance [Long QT syndrome; Torsade des pointes; Sinoatrial block]
        • Tachycardia
      • Cardiac failure [Cardiopulmonary insufficiency; Congestive heart failure; Asystole; Cor pulmonale; Heart edema; Heart failure]
        • Shock
          • Hemorrhagic shock
          • Septic shock [Shock, septic]
      • Ischemic heart disease
        • Angina
        • Myocardial infarction
          • Reperfusion injury
      • Myocardial disease
        • Myocarditis
          • Autoimmune myocarditis
    • Hypertension
      • Renovascular hypertension [Hypertension - renovascular]
    • Hypotension
    • Vascular disease
      • Aneurism [Aneurysm]
      • Coronary artery disease
      • Hemangioma
      • Peripheral vascular disease
        • Artery disease
          • Arteriosclerosis
            • Atherosclerosis
            • Restenosis [Re-stenosis]
        • Cerebrovascular disease [Cerebral vasospasm]
          • Brain hemorrhage [Subarachnoid hemorrhage]
          • Cerebral infarction
          • Cerebrovascular ischemia [Apoplexy; Stroke]
            • Reperfusion injury
        • Ischemia
          • Infarction
            • Myocardial infarction
          • Reperfusion injury
        • Vein disease
          • Varicosis
            • Hemorrhoids
        • Raynauds disease
      • Thromboembolism [Thromboembolic disorder]
        • Embolism
          • Lung embolism [Embolism, pulmonary; Pulmonary embolism]
        • Thrombosis
          • Deep vein thrombosis [Thrombosis, deep vein]
      • Angiogenesis disorder
    • Bleeding [Hemorrhage]
      • Hemorrhagic shock
      • Brain hemorrhage [Subarachnoid hemorrhage]
    • Edema [Oedema]
  • Connective tissue disease
    • Collagen disease
      • Ankylosing spondylitis
      • Behcets disease [Behcets syndrome]
      • Sjoegrens syndrome [Sjogrens syndrome]
      • Scleroderma
      • Lupus erythematosus
        • Systemic lupus erythematosus
  • Degeneration
    • Aging
      • Alzheimers disease
      • Osteoporosis
    • Steatosis
  • Dermatological disease [Skin disease]
    • Atrophic skin disease
    • Bullous skin disease
      • Epidermolysis bullosa
      • Pemphigoid
      • Pemphigus
    • Connective tissue disease affecting the skin
      • Lupus erythematosus
      • Scleroderma
    • Dermatitis [Inflammation, skin; Skin inflammation]
      • Skin allergy [Allergic dermatitis; Dermatitis, allergic]
        • Atopic dermatitis [Dermatitis, atopic]
        • Contact dermatitis [Dermatitis, contact]
        • Eczema
    • Erythematosquamous skin disease [Dermatitis, seborrheic; Seborrheic dermatitis; Pityriasis; Dandruff]
      • Psoriasis
      • Pityriasis capitis infection
    • Hypertrophic skin disease
      • Ichthyosis
      • Keratosis [Darier disease]
      • Scar tissue
    • Papular skin disease [Rosacea; Prurigo]
      • Lichen [Lichen planus]
    • Pigment disorder
      • Hypopigmentation
        • Vitiligo [Pigmentation disorder]
    • Pruritus
    • Purpura
      • Thrombocytopenic purpura
    • Skin appendage disease
      • Hair disease
        • Hirsutism
        • Hypotrichosis
          • Alopecia
      • Sebaceous gland disease
        • Acne
      • Sweat gland disease [Hyperhidrosis; Anhidrosis]
      • Seborrhea
    • Skin blood vessel disorder
      • Skin hemangioma
        • Sarcoma
          • Kaposis sarcoma
    • Skin infection
      • Dermatomycosis [Onchomycosis; Mucocutaneous candidiasis; Coccidiomycosis]
        • Tinea [Athletes foot]
      • Scabies infection
      • Viral skin infection
        • Verruca vulgaris [Warts]
        • Molluscum contagiosum infection
      • Bacterial skin infection
        • Impetigo
    • Skin lymphoma
      • Kaposis sarcoma
      • Mycosis fungoides
    • Skin manifestation
      • Skin atrophy
    • Urticaria
      • Angioedema
        • Hereditary angioedema
  • Dystrophy
    • Muscular dystrophy
  • Ear, nose, throat disease
    • Ear disease
      • Inner ear disease [Meniere disease; Labyrinthitis]
      • Middle ear disease
        • Otitis media
      • Hearing disorder
        • Tinnitus
    • Nose disease
      • Common cold [Colds]
      • Rhinitis
        • Allergic rhinitis [Rhinitis, allergic; Pollen allergy; Hay fever]
    • Paranasal sinus disease
      • Sinusitis
  • Endocrine disease
    • Adrenal disease
      • Adrenal cortex disease
        • Addisons disease
        • Hyperaldosteronism
    • Endocrine tumor
      • Gonad tumor
        • Ovary tumor [Ovarian tumor]
        • Testis tumor
      • Neuroendocrine tumor
        • Hypophysis tumor [Prolactinoma; Pituitary tumor; Pituitary adenoma]
        • Pineal body tumor
      • Pancreas tumor
      • Parathyroid tumor
      • Thyroid tumor
    • Gonadal disease
      • Hypogonadism
      • Turners syndrome
    • Metabolic bone disease
      • Osteoporosis
    • Neuroendocrine disease
      • Hypophysis disease [Pituitary disease]
        • Adenohypophysis disease
          • Adenohypophysis hyperfunction
            • Acromegaly
            • Cushings disease
        • Hypophysis tumor [Prolactinoma; Pituitary adenoma; Pituitary tumor]
      • Hypothalamus disease
      • Neuroendocrine tumor
        • Hypophysis tumor [Prolactinoma; Pituitary tumor; Pituitary adenoma]
        • Pineal body tumor
      • Pineal body disease
        • Pineal body tumor
    • Pancreas islet disease
      • Diabetes mellitus
        • Diabetic complication
          • Diabetic cataract
          • Diabetic nephropathy
          • Diabetic retinopathy
          • Diabetic neuropathy
          • Diabetic foot ulcer [Ulcer of the foot - diabetic; Diabetic ulcer of the foot; Foot ulcer - diabetic]
          • Diabetic macroangiopathy
        • Insulin dependent diabetes [Diabetes, Type I; Type I diabetes; Diabetes, insulin dependent]
        • Non-insulin dependent diabetes [Type II diabetes; Diabetes, Type II; Diabetes, non-insulin dependent]
      • Hyperinsulinemia
    • Parathyroid disease
      • Hyperparathyroidism
      • Hypoparathyroidism [DiGeorge syndrome]
      • Parathyroid tumor
    • Pregnancy disorder of endocrine origin
      • Lactation disorder
    • Thyroid disease
      • Hyperthyroidism
        • Graves disease
      • Hypothyroidism
      • Thyroiditis [Hashimotos disease]
      • Thyroid tumor
  • Fatigue
    • Postviral fatigue syndrome [Royal Free disease; Myalgic encephalomyelitis]
  • Gastrointestinal disease
    • Digestive system function disorder
      • Esophageal function disorder [Oesophageal function disorder]
        • Achalasia
        • Gastroesophageal reflux [Reflux esophagitis; Oesophageal reflux; Esophageal reflux]
      • Functional bowel disorder
        • Constipation
        • Diarrhea
        • Dyspepsia
        • Flatulence
        • Irritable bowel syndrome
      • Stomach function disorder [Dumping syndrome; Postgastrectomy syndrome]
        • Emesis [Vomiting]
          • Chemotherapy-induced emesis
        • Nausea
          • Motion sickness
        • Gastroesophageal reflux [Reflux esophagitis; Oesophageal reflux; Esophageal reflux]
      • Gastric motility disorder
    • Digestive system inflammation [Inflammation, digestive system; Gastrointestinal inflammation]
      • Inflammatory bowel disease
        • Colitis
          • Pseudomembranous colitis
          • Ulcerative colitis
        • Crohns disease
        • Enteritis
      • Gastritis
      • Hepatitis
        • Hepatitis virus infection
          • Hepatitis A virus infection
          • Hepatitis B virus infection
          • Hepatitis C virus infection
          • Hepatitis D virus infection
          • Hepatitis E virus infection
          • Hepatitis F virus infection
          • Hepatitis G virus infection [Hepatitis X virus infection]
      • Mucositis
      • Pancreatitis
    • Digestive system tumor [Gastrointestinal tumor]
      • Esophagus tumor [Oesophagus tumor]
      • Rotavirus infection
    • Enteropathy
      • Intestine tumor
        • Large intestine tumor
          • Colon tumor
            • Colorectal tumor
          • Rectal tumor
            • Colorectal tumor
      • Large intestine disease
        • Appendicitis
        • Colon disease
          • Colitis
            • Pseudomembranous colitis
            • Ulcerative colitis
          • Colorectal tumor
      • Small intestine disease
        • Duodenum disease
          • Duodenitis
          • Duodenal ulcer [Ulcer, duodenal]
    • Esophageal disease [Oesophageal disease]
      • Esophagitis [Oesophagitis]
      • Esophagus tumor [Oesophagus tumor]
    • Hepatobiliary disease
      • Biliary tract disease
        • Gallstones
        • Gallbladder disease
      • Liver disease
        • Cirrhosis
        • Jaundice [Kernicterus]
    • Pancreatic disease
      • Cystic fibrosis
      • Pancreatitis
    • Stomach disease
      • Gastritis
      • Stomach tumor [Gastric tumor]
      • Stomach ulcer [Ulcer, stomach; Ulcer, gastric; Gastric ulcer]
      • Gastroesophageal reflux [Reflux esophagitis; Esophageal reflux; Oesophageal reflux]
  • Genetic disorder
    • Inborn error of metabolism
      • Lysosome storage disease
        • Niemann Pick disease
      • Tyrosinemia [Tyrosinemia Type I]
    • Monogenic disorder
      • Autosomal disorder
        • Huntingtons chorea [Huntingtons disease]
        • Autosomal recessive disorder
          • Thalassemia
          • Tyrosinemia [Tyrosinemia Type I]
      • X chromosome linked disorder
        • X chromosome linked recessive disorder
          • Hemophilia
            • Factor IX deficiency [Hemophilia B]
            • Factor VII deficiency
            • Factor VIII deficiency [Hemophilia A]
      • Sickle cell anemia [Anemia, sickle cell]
    • Multifactorial genetic disorder
      • Schizophrenia
      • Spina bifida
    • Autism
    • Charcot Marie Tooth disease
    • Hereditary angioedema
  • Genitourinary disease
    • Genital system disease
      • Gynecological disease
        • Adnexa disease
          • Ovary disease
            • Ovary cyst [Polycystic ovary]
        • Endometriosis
        • Female genital tract infection [Ovary abscess; Gynecological infection; Vaginal infection]
        • Female genital tract inflammation [Vulvovaginitis; Vaginitis; Vulvitis; Salpingitis]
        • Menstruation disorder
          • Amenorrhea [Secondary amenorrhea; Primary amenorrhea]
          • Dysmenorrhea
          • Premenstrual syndrome
        • Female sexual dysfunction
      • Infertility [Subfertility; Sterility; Fertility disorder]
        • Infertility, female [Female sterility; Anovulation]
        • Infertility, male [Sterility, female; Azoospermia; Sterility, male; Male sterility]
      • Male genital system disease
        • Prostate disease [Prostatic hypertrophy]
          • Prostate tumor
          • Prostatitis
          • Prostate hyperplasia [Benign prostate hyperplasia; Benign prostate hypertrophy]
        • Sexual dysfunction
          • Erectile dysfunction [Impotence]
    • Urinary tract disease
      • Bladder disease
        • Cystitis
      • Renal disease [Kidney disease]
        • Renal failure [Kidney failure]
          • Uremia
        • Renal tumor [Kidney tumor]
      • Proteinuria
      • Urinary dysfunction
        • Micturition disorder [Incontinence, urinary; Urinary incontinence]
          • Dysuria
          • Pollakiuria
        • Diuresis
        • Incontinence
      • Urinary tract infection [Infection, urinary tract]
      • Urinary tract inflammation [Inflammation, urinary tract]
        • Nephritis
      • Urolithiasis [Nephrolithiasis; Kidney stone]
    • Urogenital tract infection
      • Urinary tract infection [Infection, urinary tract]
    • Genitourinary tract tumor
      • Genital tract tumor
        • Female genital tract tumor
          • Ovary tumor [Ovarian tumor]
          • Cervical dysplasia
        • Male genital tract tumor
          • Testis tumor
      • Urinary tract tumor
        • Bladder tumor
  • Growth disorder [Dwarfism; Gigantism]
  • Hematological disease [Blood disease]
    • Blood clotting disorder
      • Blood clotting factor deficiency
        • Hemophilia
          • Factor IX deficiency [Hemophilia B]
          • Factor VII deficiency
          • Factor VIII deficiency [Hemophilia A]
        • Prothrombinemia
        • Von Willebrands disease
      • Disseminated intravascular coagulation
      • Thrombocyte disorder
        • Thrombocytopenia
          • Heparin induced thrombocytopenia
          • Thrombocytopenic purpura
        • Thrombocytosis
      • Thromboembolism [Thromboembolic disorder]
        • Embolism
          • Lung embolism [Embolism, pulmonary; Pulmonary embolism]
        • Thrombosis
          • Deep vein thrombosis [Thrombosis, deep vein]
    • Bone marrow disease
      • Aplastic anemia [Anemia, aplastic]
      • Leukopenia [Pancytopenia; Agranulocytosis; Granulocytopenia; Neutropenia; Lyphocytopenia]
        • Leukopenia, drug induced [Pancytopenia, drug-induced; Neutropenia, drug-induced; Granulocytopenia, drug-induced; Agranulocytosis, drug-induced; Drug-induced leukopenia]
      • Myeloproliferative disorder [Multiple myeloma; Polycythemia; Myeloma]
    • Erythrocyte disorder
      • Anemia
        • Aplastic anemia [Anemia, aplastic]
        • Hemolytic anemia [Newborn hemolytic disease; Anemia, hemolytic]
          • Hemolytic uremic syndrome [Hemolytic uraemic syndrome]
      • Hemoglobinopathy
        • Sickle cell anemia [Anemia, sickle cell]
        • Thalassemia
    • Leukocyte disorder
      • Leukemia
        • Myeloid leukemia [Leukemia, myeloid]
      • Leukopenia [Pancytopenia; Agranulocytosis; Granulocytopenia; Neutropenia; Lyphocytopenia]
      • Infectious mononucleosis [Epstein Barr virus infection]
    • Lymphatic system disease
      • Lymphadenopathy
        • Mucocutaneous lymph node syndrome [Kawasaki syndrome]
      • Lymphatic system tumor
        • Mycosis fungoides
      • Lymphoproliferative disease
        • Macroglobulinemia [Waldenstroems macroglobulinemia]
        • Lymphoma
          • Burkitts lymphoma [Lymphoma - Burkitts]
          • Hodgkins disease
          • Non-Hodgkin lymphoma [Lymphoma non-Hodgkin]
            • B-cell lymphoma [Lymphoma - B-cell]
            • T-cell lymphoma [Lymphoma - T cell]
        • Mycosis fungoides
        • Infectious mononucleosis [Epstein Barr virus infection]
        • Sarcoidosis
      • Spleen disease [Splenomegaly]
    • Blood transfusion
  • Immune disorder [Immunopathology]
    • Systemic lupus erythematosus
    • Transplant rejection
      • Graft vs host disease
    • Allergy
      • Delayed hypersensitivity [Hypersensitivity, delayed]
        • Contact dermatitis [Dermatitis, contact]
      • Immediate type hypersensitivity [Anaphylactic shock; Anaphylaxis]
        • Respiratory tract allergy
          • Asthma
          • Allergic rhinitis [Rhinitis, allergic; Pollen allergy; Hay fever]
        • Atopic dermatitis [Dermatitis, atopic]
      • Skin allergy [Allergic dermatitis; Dermatitis, allergic]
        • Atopic dermatitis [Dermatitis, atopic]
        • Contact dermatitis [Dermatitis, contact]
      • Hypersensitivity
    • Immune deficiency
      • Combined immunodeficiency
        • Acquired Immune Deficiency Syndrome [AIDS]
          • AIDS-related complex
    • Autoimmune disease
  • Infection
    • Bacterial infection
      • Actinomycetes & related organisms
        • Corynebacterium diphtheriae infection [Diphtheria]
      • Chlamydia trachomatis infection
      • Endospore-forming rods & cocci infection
        • Bacillus anthracis infection [Anthrax]
        • Clostridium infection
          • Clostridium botulinum infection
          • Clostridium difficile infection
          • Clostridium tetani infection [Tetanus]
      • Gram negative bacterium infection
        • Gram negative aerobic rods & cocci infection
          • Bordetella pertussis infection [Pertussis; Whooping cough]
          • Brucella infection
          • Legionella infection
          • Neisseria infection
            • Neisseria gonorrhoeae infection
            • Neisseria meningitidis infection
          • Pseudomonas aeruginosa infection
        • Gram negative anerobic rods infection
          • Enterobacteriaceae infection
            • Enterobacter infection
            • Escherichia coli infection
            • Klebsiella infection
            • Proteus mirabilis infection
            • Salmonella infection
            • Salmonella typhi infection
            • Salmonella typhimurium infection
            • Shigella infection
            • Pasteurellaceae infection
              • Haemophilus infection
                • Haemophilus influenzae infection
              • Pasturella multocida infection
          • Vibrio cholerae infection [Cholera]
      • Gram positive bacterium infection
        • Gram positive asporogenous rod infection
          • Listeria monocytogenes infection
        • Gram positive cocci infection
          • Streptococcus infection
            • Hemolytic streptococcus infection [Haemolytic streptococcus infection]
              • Streptococcus faecalis infection
              • Streptococcus group B infection
              • Streptococcus pneumoniae infection
              • Streptococcus suis infection
          • Micrococcaceae infection
            • Staphylococcus infection
              • Staphylococcus aureus infection
                • MRSA infection [Methicillin resistant Staphylococcus aureus infect]
                • VRSA infection [Vancomycin resistant Staphylococcus aureus infecti]
      • Mollicutes infection
        • Mycoplasmatales infection
          • Mycoplasma infection
      • Rickettsiales infection
        • Bartonellaceae infection [Bartonellosis]
        • Rickettsiaceae infection
          • Rickettsia infection
      • Spiral & curved bacteria infection
        • Campylobacter infection
        • Helicobacter infection
      • Spirochete infection
        • Borrelia burgdorferi infection
        • Treponema pallidum infection
      • Actinomycetes infection
        • Mycobacterium infection
          • Mycobacterium leprae infection
          • Mycobacterium lutens infection
          • Mycobacterium tuberculosis infection [Tuberculosis]
      • Chlamydia infection
      • Endotoxic shock
      • Multidrug resistant infection
        • MRSA infection [Methicillin resistant Staphylococcus aureus infect]
        • VRSA infection [Vancomycin resistant Staphylococcus aureus infecti]
      • Sepsis [Septicemia]
        • Septic shock [Shock, septic]
    • Fungal infection
      • Eumycota infection
        • Ascomycetes infection
          • Eurotiales infection
            • Aspergillus infection
              • Aspergillus niger infection
            • Microsporidial infection
            • Trichophyton infection
      • Deuteromycetes infection
        • Aureobasidium pullulans infection
      • Endomycetes infection
        • Candida albicans infection
        • Cryptococcus infection
          • Cryptococcus neoformans infection
    • Bone and joint infection
      • Lyme disease
    • Central nervous system infection
      • Meningitis
      • Poliovirus infection
      • Rabies infection
    • Digestive system infection [Gastrointestinal infection]
      • Hepatitis
        • Fasciola hepatica infection
        • Hepatitis virus infection
      • Intestine infection
        • Enterococcus faecium infection
        • Pseudomembranous colitis
        • Salmonella infection
      • Clostridium infection
        • Clostridium botulinum infection
        • Clostridium tetani infection [Tetanus]
      • Corynebacterium diphtheriae infection [Diphtheria]
      • Helicobacter pylori infection
      • Vibrio cholerae infection [Cholera]
    • Parasitic infection
      • Invertebrate infection
        • Metazoon infection
          • Arthropod infection
            • Arachnid infection
              • Mite infection
                • Dermatophagoides farinae infection
            • Insect infection
              • Louse infestation [Pediculosis; Headlouse infestation]
                • Pediculus capitis infestation [Headlice infestation]
          • Helminth infection
            • Nematode infection [Nematodiasis; Threadworm infection]
              • Hookworm infection
                • Ancylostoma infection
            • Platyhelminth infection
              • Cestode infection
                • Taenia infection
              • Trematode infection
                • Schistosomiasis
        • Protozoal infection
          • Amoeba infection
            • Entamoeba histolytica infection
          • Flagellate infection
            • Giardia lamblia infection
            • Leishmania infection
              • Leishmania braziliensis infection [Cutaneous leishmaniasis (South American); Mucocutaneous leishmaniasis; Leishmaniasis, cutaneous (South American)]
              • Leishmania donovani infection [Assam fever; Leishmania infection, visceral; Visceral leishmania infection; Dumdum fever; Kala-azar]
              • Leishmania mexicana infection [Leishmaniasis, cutaneous (North American); Cutaneous leishmaniasis (North American)]
              • Leishmania tropica infection [Cutaneous leishmaniasis (Old World); Leishmania minor infection; Leishmania major infection]
            • Trichomonas infection
            • Trypanosomiasis
              • Trypanosoma cruzi infection
          • Sporozoal infection
            • Plasmodium infection [Malaria]
              • Plasmodium falciparum infection
              • Plasmodium knowlesi infection
              • Plasmodium malariae infection
              • Plasmodium ovale infection
              • Plasmodium vivax infection
            • Toxoplasma infection
            • Pneumocystis carinii infection
          • Cryptosporidium infection [Cryptosporidiosis]
      • Worm infection
        • Cysticercosis
      • Ectoparasite infection
    • Respiratory tract infection
      • Lower respiratory tract infection
        • Lung infection [Pulmonary infection]
          • Infectious pneumonia
            • Legionella infection
            • Pneumocystis carinii infection
        • Bordetella pertussis infection [Pertussis; Whooping cough]
        • Klebsiella pneumoniae infection
      • Upper respiratory tract infection
        • Common cold [Colds]
        • Chlamydia trachomatis infection
        • Multidrug resistant throat infection
      • Rhinitis
      • Sinusitis
      • Haemophilus influenzae infection
      • Influenza virus infection
      • Parainfluenza virus infection
      • Rhinovirus infection
      • Respiratory syncytial virus infection
    • Skin infection
      • Bacterial skin infection
        • Impetigo
      • Dermatomycosis [Onchomycosis; Mucocutaneous candidiasis; Coccidiomycosis]
        • Tinea [Athletes foot]
      • Scabies infection
      • Viral skin infection
        • Condyloma
        • Verruca vulgaris [Warts]
        • Molluscum contagiosum infection
    • Viral infection
      • DNA virus infection
        • Adenovirus infection
        • Papovavirus infection
          • Papillomavirus infection [HPV infection]
        • Parvovirus infection
        • Pox virus infection
          • Vaccinia virus infection
          • Variola virus infection [Smallpox virus infection]
        • Herpesvirus infection
          • Cytomegalovirus infection [CMV infection]
            • CMV retinitis [Cytomegalovirus retinitis]
          • Infectious mononucleosis [Epstein Barr virus infection]
          • Herpesvirus type 6 infection [Exanthem subitum]
          • Herpesvirus type 8 infection [Kaposis sarcoma associated herpesvirus infection]
          • Herpes simplex virus infection [Herpesvirus hominis infection]
            • HSV-1 infection
            • HSV-2 infection
          • Varicella zoster virus infection [Chickenpox infection; Shingles; Herpes zoster; Herpes zoster infection; HZV infection]
      • RNA virus infection
        • Arenavirus infection [Lassa virus infection]
        • Bunyavirus infection
          • Hantavirus infection [Puumala virus infection; Korean hemorrhagic fever]
        • Orthomyxovirus infection
          • Influenza virus infection
        • Paramyxovirus infection
          • Measles virus infection
          • Mumps virus infection
          • Parainfluenza virus infection
        • Picornavirus infection
          • Norwalk virus infection
          • Enterovirus infection
            • Coxsackie virus infection
          • Rhinovirus infection
          • Foot and mouth disease virus infection
        • Reovirus infection
          • Rotavirus infection
            • Astrovirus infection
            • Rotavirus type C infection
        • Retrovirus infection
          • HIV infection
            • HIV-1 infection
            • HIV-2 infection
            • Visna virus infection
          • Oncovirinae infection
            • Leukemia virus infection
              • Human T cell leukemia virus infection
                • Human T cell leukemia virus 1 infection
                • Human T cell leukemia virus 2 infection
                • Human T cell leukemia virus 3 infection
        • Rhabdovirus infection
          • Rabies virus infection [Hydrophobia]
            • Pseudorabies virus infection
          • Vesicular stomatitis virus infection [VSV infection]
        • Flavivirus infection [Dengue; Japanese encephalitis virus; Tick born encephalitis; Yellow fever]
          • Hepatitis C virus infection
          • Japanese encephalitis virus infection
          • St Louis encephalitis virus infection
          • West Nile virus infection
          • Yellow fever virus infection
        • Pestivirus infection
        • Togavirus infection
          • Alphavirus infection
            • Eastern equine encephalitis virus infection
            • Venezuelan equine encephalitis virus infection
            • Western equine encephalitis virus infection
          • Rubivirus infection
            • Rubella virus infection
        • Filovirus infection
          • Ebola virus infection
          • Marburg virus infection
        • Deltavirus infection
          • Hepatitis D virus infection
        • Hepatitis E like virus infection
          • Hepatitis E virus infection
      • Unclassified virus infection
        • Hepatitis virus infection
          • Hepatitis A virus infection
          • Hepatitis B virus infection
          • Hepatitis F virus infection
          • Hepatitis G virus infection [Hepatitis X virus infection]
  • Inflammation
    • Abdominal cavity inflammation [Inflammation, abdominal]
      • Peritonitis
    • Cardiovascular inflammation [Inflammation, cardiovascular]
      • Carditis
        • Endocarditis
    • Fibrosis
    • Granulomatous inflammation [Inflammation, granulomatous]
      • Sarcoidosis
    • Ocular & orbital inflammation [Inflammation, ocular and orbital]
      • Ocular inflammation [Inflammation, ocular]
        • Chorioretinitis
        • Conjunctivitis
        • Uveitis
      • Dermatitis [Inflammation, skin; Skin inflammation]
        • Eczema
    • Mastitis
    • Mouth inflammation [Inflammation, mouth]
      • Pharyngitis
      • Sialodenitis
        • Mumps
    • Musculoskeletal system inflammation [Inflammation, musculoskeletal]
      • Arthritis
        • Gout
        • Infectious arthritis
          • Lyme disease
        • Rheumatoid arthritis
        • Osteoarthritis
      • Bursitis
    • Nervous system inflammation [Inflammation, nervous system]
      • Meningitis
      • Poliovirus infection
    • Respiratory tract inflammation [Inflammation, respiratory]
      • Lung inflammation [Inflammation, pulmonary; Inflammation, lung; Pulmonary inflammation]
        • Bronchitis
        • Pleurisy
      • Rhinitis
        • Allergic rhinitis [Rhinitis, allergic; Pollen allergy; Hay fever]
      • Pharyngitis
    • Genitourinary tract inflammation
      • Genital tract inflammation [Inflammation, genitourinary]
        • Male genital tract inflammation [Inflammation, genitourinary, male]
          • Prostatitis
      • Urinary tract inflammation [Inflammation, urinary tract]
        • Nephritis
          • Glomerulonephritis
          • Pyelonephritis
  • Injury [Trauma]
    • Ocular injury
    • Head and neck injury
      • Head injury
        • Brain injury
        • Spinal cord injury
    • Nervous system injury
      • Brain injury
      • Spinal cord injury
    • Radiation sickness
      • Sunburn
    • Reperfusion injury
    • Thermal injury
      • Burns
      • Hypothermia [Cold stress; Chill]
    • Healing
      • Wound healing [Vulnerary]
  • Metabolic disorder
    • Acid base imbalance [Hypocapnia]
      • Acidemia
      • Acidosis [Ketoacidosis]
      • Alkalosis
    • Disorder of amino acid and protein metabolism
      • Tyrosinemia [Tyrosinemia Type I]
      • Phenylketonuria
      • Proteinosis
        • Amyloidosis
    • Disorder of carbohydrate metabolism
      • Diabetes mellitus
        • Insulin dependent diabetes [Diabetes, Type I; Diabetes, insulin dependent; Type I diabetes]
        • Non-insulin dependent diabetes [Type II diabetes; Diabetes, Type II; Diabetes, non-insulin dependent]
      • Glycogen storage disease
      • Hypoglycemia
    • Carboxylic acid metabolism disorder [Pyruvate carboxylase deficiency; Oxalosis; Hyperoxaluria; Methylmalonic acidemia; Propionic acidemia]
    • Disorder of connective tissue metabolism [Connective tissue metabolic disorder]
      • Collagen disease
        • Sjoegrens syndrome [Sjogrens syndrome]
        • Scleroderma
        • Lupus erythematosus
          • Systemic lupus erythematosus
    • Disorder of hormone metabolism
      • Hormone deficiency
        • Estrogen deficiency [Menopausal disorder]
          • Progestogen deficiency
        • Testosterone deficiency
      • Disorder of steroid metabolism
        • Hyperaldosteronism
        • Cushings disease
      • Hyperparathyroidism
      • Hypothyroidism
      • Precocious puberty
      • Hyperinsulinemia
      • Hyperprolactinemia
      • Hyperthyroidism
    • Disorder of lipid metabolism
      • Disorder of cholesterol metabolism
        • Hypercholesterolemia
      • Disorder of lipoprotein metabolism
        • Hyperlipoproteinemia
        • Lipoprotein deficiency [Tangier disease; Hypolipoproteinemia; Abetalipoproteinemia]
      • Hyperlipidemia
        • Hypercholesterolemia
      • Hypolipidemia
    • Disorder of mineral/electrolyte metabolism
      • Disorder of mineral metabolism
        • Disorder of iron metabolism
      • Hypokalemia [Potassium deficiency]
      • Disorder of calcium metabolism [Calcium metabolism disorder]
        • Calcification [Soft tissue calcification; Fahr disease; Arterial calcification]
    • Disorder of porphyrin and heme metabolism
      • Hyperbilirubinemia
        • Jaundice [Kernicterus]
      • Porphyria
    • Disorder of purine/pyrimidine metabolism
      • Hyperuricemia
    • Storage disease
      • Proteinosis
        • Amyloidosis
  • Mouth disease
    • Mucositis
    • Mouth tumor
    • Mouth ulcer [Aphthous ulcer; Ulcer, mouth; Ulcer, aphthous]
    • Periodontal disease
      • Gingiva disease
        • Gingivitis
    • Pharynx disease
      • Pharynx tumor
        • Nasopharynx tumor
    • Salivary gland disease
    • Stomatitis [Apthous stomatitis]
    • Tongue disease
    • Tooth disease [Dental disease; Caries]
    • Xerostomia [Dry mouth]
      • Sjoegrens syndrome [Sjogrens syndrome]
  • Movement disorder
    • Ataxia
    • Dystonia
      • Cervical dystonia
    • Muscle hypertonia [Spasticity]
    • Muscular spasm
    • Muscle weakness
      • Paralysis [Cerebral palsy]
        • Myasthenia gravis
    • Rigor
    • Tremor [Essential tremor]
  • Musculoskeletal disease
    • Arthropathy [Joint disease]
      • Arthritis
        • Gout
        • Lyme disease
        • Rheumatoid arthritis
        • Osteoarthritis
      • Periarticular joint disease [Carpal tunnel syndrome]
        • Bursitis
    • Bone disease
      • Bone injury [Bone fracture]
      • Bone tumor [Osteosarcoma; Osteoblastoma; Bone metastases]
      • Osteopetrosis [Albers schoenberg disease]
      • Metabolic bone disease
        • Osteoporosis
      • Osteomyelitis
    • Muscle disease
      • Myalgia [Fibromyalgia]
  • Neoplasm
    • Benign tumor
    • Malignant neoplastic disease
      • Leukemia
        • Lymphoid leukemia [Leukemia, lymphoid]
        • Myeloid leukemia [Leukemia, myeloid]
      • Lymphoma
        • Burkitts lymphoma [Lymphoma - Burkitts]
        • Hodgkins disease
        • Non-Hodgkin lymphoma [Lymphoma non-Hodgkin]
          • B-cell lymphoma [Lymphoma - B-cell]
          • T-cell lymphoma [Lymphoma - T cell]
      • Mycosis fungoides
      • Solid tumor
        • Carcinoma
          • Squamous cell carcinoma
        • Glioma
        • Melanoma
        • Non-epithelial tumor
          • Sarcoma
            • Kaposis sarcoma
    • Metastasis
    • Neoplasm by site
      • Breast tumor
      • Cardiovascular tumor [Cardiovascular cancer]
      • Digestive system tumor [Gastrointestinal tumor]
        • Esophagus tumor [Oesophagus tumor]
        • Hepatobiliary system tumor
          • Liver tumor
        • Intestine tumor
          • Large intestine tumor
            • Colon tumor
              • Colorectal tumor
            • Rectal tumor
            • Colorectal tumor
        • Pancreas tumor
        • Stomach tumor [Gastric tumor]
      • Endocrine tumor
        • Adrenal tumor
        • Ovary tumor [Ovarian tumor]
        • Testis tumor
        • Neuroendocrine tumor
          • Hypophysis tumor [Prolactinoma; Pituitary tumor; Pituitary adenoma]
          • Pineal body tumor
        • Pancreas tumor
        • Parathyroid tumor
        • Thyroid tumor
      • Head & neck tumor
        • Mouth tumor
          • Pharynx tumor
            • Nasopharynx tumor
        • Ocular neoplasm
          • Ocular tumor
            • Retinoblastoma
      • Musculoskeletal tumor
        • Bone tumor [Osteosarcoma; Osteoblastoma; Bone metastases]
      • Lymphatic system tumor
        • Lymphoma
          • Burkitts lymphoma [Lymphoma - Burkitts]
          • Hodgkins disease
          • Non-Hodgkin lymphoma [Lymphoma non-Hodgkin]
            • B-cell lymphoma [Lymphoma - B-cell]
            • T-cell lymphoma [Lymphoma - T cell]
        • Mycosis fungoides
      • Nervous system tumor [Neuroblastoma]
        • Central nervous system tumor
          • Brain tumor
            • Hypophysis tumor [Prolactinoma; Pituitary tumor; Pituitary adenoma]
          • Spinal cord tumor
        • Cranial nerve tumor
        • Nerve tumor
      • Respiratory tract tumor [Respiratory tumor; Respiratory cancer]
        • Lung tumor [Pulmonary tumor; Lung cancer; Pulmonary cancer]
          • Non-small-cell lung cancer
          • Small-cell lung cancer
        • Mesothelioma
      • Skin tumor
        • Pagets disease
      • Genitourinary tract tumor
        • Genital tract tumor
          • Female genital tract tumor
            • Ovary tumor [Ovarian tumor]
            • Uterus tumor
              • Uterine cervix tumor [Cervix tumor]
          • Male genital tract tumor
            • Prostate tumor
            • Testis tumor
        • Urinary tract tumor
          • Bladder tumor
          • Renal tumor [Kidney tumor]
    • Precancer [Cancer in-situ; Preleukemia]
      • Barrett's esophagus
      • Cervical dysplasia
      • Familial adenomatous polyposis
      • Leukoplakia
      • Myelodysplastic syndrome [Pre-leukemia]
    • Dysplasia
      • Cervical dysplasia
    • Pheochromocytoma
  • Neurological, mental and cognitive disorder
    • Cognitive disorder
      • Amnesia
      • Intellectual impairment
        • Dementia [Vascular dementia]
          • Senile dementia
          • Alzheimers disease
          • HIV associated dementia
          • Huntingtons chorea [Huntingtons disease]
        • Mental deficiency
          • Down syndrome
          • Fragile X syndrome
        • Creutzfeldt Jakob disease
    • Mental disorder
      • Substance dependence [Dependence treatment; Addiction]
        • Alcoholism [Alcohol use disorder]
        • Drug dependence
          • Narcotic dependence
            • Cocaine use disorder
            • Opiate use disorder
          • Amphetamine use disorder
          • Nicotine use disorder [Smoking]
      • Behavior disorder
        • Autism
        • Feeding disorder
          • Eating disorder
        • Psychomotor disorder
          • Hyperactivity
            • Attention deficit hyperactivity disorder
        • Sociopathy
          • Antisocial behavior
            • Aggression
      • Consciousness disorder
        • Unconsciousness
          • Coma
      • Mental deficiency
      • Neurosis
        • Affective neurosis
          • Depression
        • Anxiety disorder
          • Panic disorder
        • Obsessive/compulsive disorder
        • Phobia
      • Personality disorder
      • Psychosis
        • Hallucination
        • Manic depression [Bipolar depression; Bipolar mood disorder]
        • Paranoid psychosis
        • Schizoaffective disorder [Schizophreniform disorder]
        • Psychosexual disorder
          • Sexual deviation
          • Premature ejaculation
        • Schizophrenia
    • Neurological disease
      • Central nervous system disease
        • Brain disease
          • Brain malformation [Von Hippel Lindau disease]
          • Brain tumor
            • Hypophysis tumor [Prolactinoma; Pituitary tumor; Pituitary adenoma]
          • Cerebrovascular disease [Cerebral vasospasm]
            • Brain hemorrhage [Subarachnoid hemorrhage]
            • Cerebral infarction
            • Cerebrovascular ischemia [Apoplexy; Stroke]
              • Reperfusion injury
          • Encephalitis
            • Allergic encephalitis [Allergic encephalomyelitis]
          • Extrapyramidal syndrome [Tourette syndrome; Gilles de la Tourette syndrome]
            • Chorea
              • Huntingtons chorea [Huntingtons disease]
              • Lesch Nyhan syndrome
              • Tardive dyskinesia
            • Parkinsons disease
          • Hydrocephalus
          • Metabolic encephalopathy
            • Lysosome storage disease
              • Lipidosis
                • Gauchers disease
                • Niemann Pick disease
          • Seizure, epilepsy & convulsion
            • Epilepsy
          • Alzheimers disease
          • Cerebral hypoxia [Hypoxia, cerebral]
          • Cerebral edema
        • Demyelinating disease
          • Multiple sclerosis
        • Central nervous system tumor
          • Brain tumor
            • Hypophysis tumor [Prolactinoma; Pituitary adenoma; Pituitary tumor]
          • Spinal cord tumor
        • Neurodegenerative disease
      • Headache and facial pain
        • Cluster headache
        • Migraine
      • Head injury
      • Nervous system malformation
        • Central nervous system malformation
          • Spina bifida
      • Nervous system inflammation [Inflammation, nervous system]
        • Guillain Barre syndrome
        • Meningitis
      • Neuromuscular disease
        • Anterior horn cell disease
          • Spinal muscular atrophy
            • Motor neurone disease [Lou Gehrigs disease; Amyotrophic lateral sclerosis]
        • Myopathy
          • Muscular dystrophy
      • Neuropathy
        • Cranial neuropathy
          • Cranial nerve tumor
        • Nerve tumor
        • Charcot Marie Tooth disease
        • Peripheral neuropathy
      • Autonomic nervous system disease
  • Nutritional disorder
    • Bulimia
      • Anorexia nervosa
    • Malnutrition
      • Cachexia
    • Nutritional deficiency [Essential fatty acid deficiency]
      • Vitamin deficiency
        • Rickets
    • Overnutrition
      • Obesity
  • Ocular disease [Ophthalmological disease; Eye disease]
    • Conjunctiva disease
      • Conjunctivitis
    • Corneal disease
      • Corneal dystrophy
      • Keratitis
    • Ocular & orbital inflammation [Inflammation, ocular and orbital]
      • Ocular inflammation [Inflammation, ocular]
        • Conjunctivitis
        • Keratitis
        • Retinitis
          • CMV retinitis [Cytomegalovirus retinitis]
    • Ocular injury
    • Eyelid disease [Ptosis; Blepharitis]
    • Ocular hypertension
      • Glaucoma
    • Lacrimal gland disease [Dry eye; Xerophthalmia]
      • Sjoegrens syndrome [Sjogrens syndrome]
    • Lens disease
      • Cataract
    • Retina disease
      • Retinitis
      • Retinopathy
        • Diabetic retinopathy
        • Fabry disease
    • Age related macular degeneration [Macular degeneration, age related]
  • Pain [Analgesia]
    • Headache
      • Cluster headache
      • Migraine
    • Myalgia [Fibromyalgia]
    • Neuralgia
  • Pregnancy disorder
    • Pre-eclampsia
    • Labor complication
      • Premature labor
    • Birth complication
    • Pregnancy disorder of endocrine origin
    • Parturition [Labor]
  • Prophylaxis
    • Contraception
    • Immunization
      • Vaccination
    • Bone marrow failure
    • Infertility [Subfertility; Sterility; Fertility disorder]
    • Organ transplantation [Tissue transplantation]
      • Bone marrow transplantation
    • Abortion [Therapeutic abortion]
  • Respiratory disease
    • Bronchus disease
      • Bronchitis
    • Cough
    • Pulmonary disease [Lung disease]
      • Cystic fibrosis
      • Emphysema [Pulmonary emphysema; Lung emphysema]
      • Congenital lung disease [Pulmonary disease, congenital; Lung disease, congenital]
        • Lung malformation [Pulmonary malformation; Bronchopulmonary dysplasia]
      • Pulmonary fibrosis [Silicosis; Lung fibrosis]
      • Lung infection [Pulmonary infection]
        • Pneumonia
    • Obstructive airway disease
      • Asthma
      • Bronchitis
      • Emphysema [Pulmonary emphysema; Lung emphysema]
      • Chronic obstructive pulmonary disease [COPD]
    • Pleural disease
    • Respiratory disorder
      • Respiratory distress syndrome [Adult respiratory distress syndrome]
    • Respiratory function disorder
      • Breathing disorder
        • Snoring
      • Hypoxia
    • Respiratory tract allergy
      • Asthma
      • Allergic rhinitis [Rhinitis, allergic; Pollen allergy; Hay fever]
    • Respiratory congestion
      • Influenza
    • Respiratory tract inflammation [Inflammation, respiratory]
      • Rhinitis
        • Allergic rhinitis [Rhinitis, allergic; Pollen allergy; Hay fever]
      • Sinusitis
    • Respiratory tract tumor [Respiratory tumor; Respiratory cancer]
      • Lung tumor [Pulmonary tumor; Pulmonary cancer; Lung cancer]
        • Non-small-cell lung cancer
        • Small-cell lung cancer
      • Mesothelioma
  • Sleep disorder [Circadian disorder]
    • Hypersomnia
    • Insomnia
  • Somatosensory disorder
    • Anesthesia
      • Pain [Analgesia]
      • Sedation
      • Topical anesthesia [Local anesthesia]
  • Temperature disorder [Body temperatute disorder]
    • Hyperthermia [Malignant hyperthermia; Hyperpyrexia; Fever]
    • Hypothermia [Cold stress; Chill]
  • Toxicity & intoxication
    • Intoxication
      • Metal intoxication
        • Iron overload
      • Poison intoxication
    • Toxicity
      • Alopecia, drug-induced [Drug-induced alopecia]
      • Cardiotoxicity, drug-induced [Drug-induced cardiotoxicity]
      • Hepatotoxicity, drug-induced [Drug-induced hepatotoxicity]
      • Leukopenia, drug induced [Pancytopenia, drug-induced; Agranulocytosis, drug-induced; Drug-induced leukopenia; Granulocytopenia, drug-induced; Neutropenia, drug-induced]
      • Nausea, drug-induced [Drug-induced nausea]
      • Nephrotoxicity
      • Neurotoxicity, drug-induced [Drug-induced neurotoxicty]
    • Substance dependence [Dependence treatment; Addiction]
      • Alcoholism [Alcohol use disorder]
      • Drug dependence
        • Narcotic dependence
          • Cocaine use disorder
          • Opiate use disorder
        • Amphetamine use disorder
        • Nicotine use disorder [Smoking]
  • Ulcer
    • Corneal ulcer [Ulcer, corneal]
    • Digestive system ulcer [Ulcer, digestive system]
      • Peptic ulcer [Ulcer, peptic]
    • Mouth ulcer [Aphthous ulcer; Ulcer, mouth; Ulcer, aphthous]
    • Skin ulcer
      • Foot ulcer [Ulcer of the foot]
        • Diabetic foot ulcer [Ulcer of the foot - diabetic; Diabetic ulcer of the foot; Foot ulcer - diabetic]
    • Urogenital ulcer [Ulcer, urogenital]
  • Unidentified
    • Premedication
    • Sudden infant death syndrome [Cot death