Find information, tools and facts about symptoms, risks and how to prevent, treat and manage human diseases and illnesses.

Disease/Condition Name Sub-category
Acoustic neuroma (auditory canal tumour) Ear diseases
Acute flaccid paralysis Other
Acute respiratory diseases (Adenovirus) Respiratory diseases
Adjustment disorder Mental illnesses
African trypanosomiasis (sleeping sickness) Zoonotic (tsetse fly)
Alcohol use disorder (addiction, dependence) Mental illnesses
Allergies (airborne) Allergies and intolerances (respiratory)
Allergies (dermatitis) Allergies and intolerances (skin)
Allergies (latex) Allergies and intolerances (skin, respiratory)
Allergies and intolerances (foodborne) Allergies and intolerances (food, digestive)
Angina Heart and circulation conditions
Ankylosing spondylitis Musculoskeletal conditions (joint)
Anthrax Zoonotic (farm animals)
Anxiety disorders Mental illnesses
Arthritis (rheumatoid, systemic lupus erythematosus, gout, juvenile or childhood) Musculoskeletal conditions (joint)
Asbestosis Respiratory diseases
Asthma Respiratory diseases
Athlete's foot (tinea pedis) Skin infections
Attention deficit hyperactivity disorder Learning disabilities (developmental disorders)
Autism spectrum disorder Learning disabilities (developmental disorders)
Avian influenza A (H7N9, bird flu) Respiratory diseases, zoonotic (birds)
Avian influenza A (H5N1 bird, flu) Respiratory diseases, zoonotic (birds)
Bacterial vaginosis Urogenital infections
Beryllium disease Respiratory diseases
Bipolar disorder (manic-depression) Mental illnesses
Bone cancer (osteosarcoma, chondrosarcoma, ewing sarcomas) Cancers
Botulism (clostridium botulinum) Food- and water-borne illnesses (food poisoning)
Breast cancer Cancers
Brucellosis (undulant fever) Food- and water-borne illnesses (food poisoning)
Bunions (hallux valgus) Feet diseases and conditions
Bursitis Musculoskeletal conditions
C. difficile (Clostridium difficile) Gastrointestinal (enteric) diseases
Campylobacter jejuni (C. jejuni) Food- and water-borne illnesses (food poisoning)
Campylobacteriosis Food- and water-borne illnesses (food poisoning)
Cancer Cancers
Cardiovascular diseases Heart and circulation conditions
Carpal tunnel syndrome (hand paresthesia and weakness) Musculoskeletal conditions (hand)
Cataracts Eye diseases
Cavities Oral diseases (dental)
Celiac disease (gluten-intolerance) Allergies and intolerances (food, digestive)
Cervical cancer Cancers
Chagas disease (American trypanosomiasis) Zoonotic (triatomine bugs)
Chickenpox (Varicella zoster virus) Skin infections (vaccine-preventable)
Chikungunya Zoonotic (mosquito-borne)
Chlamydia Sexually transmitted infections
Cholera Food- and water-borne illnesses (food poisoning)(vaccine-preventable)
Chronic fatigue syndrome (Myalgic Encephalomyelitis) Neurological diseases
Chronic obstructive pulmonary disease (COPD) Respiratory diseases
Ciguatera Food- and water-borne illnesses (food poisoning)
Clostridium perfringens Food- and water-borne illnesses (food poisoning)
Colorado tick fever virus Zoonotic (tick-borne)
Colorectal cancer Cancers
Community-Acquired Methicillin-Resistant Staphylococcus aureus (CA-MRSA) Skin infections
Creutzfeldt-Jakob Disease (variant CJD, prion disease) Neurological diseases
Cronobacter (Enterobacter sakazakii) Food- and water-borne illnesses (food poisoning)
Cryptococcocus Zoonotic (animals)
Cryptosporidiosis Food- and water-borne illnesses (food poisoning)
Cyclospora Food- and water-borne illnesses (food poisoning)
Cytomegalovirus Other
De Quervain's disease Musculoskeletal conditions (hand)
Dementia (such as Alzheimer's and Parkinson's diseases) Neurological disease, mental illnesses
Dengue fever Haemorrhagic fever, zoonotic (mosquito-borne)
Depression Mental illnesses
Dermatitis (irritant contact, eczema) Skin infections
Diabetes (type 1) Metabolic disorders
Diabetes (type 2) Metabolic disorders
Diphtheria Respiratory diseases (vaccine-preventable)
Dupuytren's contracture Musculoskeletal conditions (hand)
E. coli (Escherichia coli) Food- and water-borne illnesses (food poisoning)
Eating disorders (such as anorexia and bulimia) Mental illnesses
Ebola virus disease (EVD) Haemorrhagic fever
Echovirus Other
Emerging respiratory diseases Respiratory diseases
Farmer's lung (hypersensitivity pneumonitis) Allergies and intolerances (respiratory)
Fibromyalgia syndrome (FMS) Neurological diseases
Flat foot (feet, Pes Planus) Musculoskeletal conditions (feet)
Flesh-eating disease (necrotizing fasciitis) Skin infections
Flu (influenza) Respiratory diseases (vaccine-preventable)
Foodborne diseases (food poisoning) Food- and water-borne illnesses (food poisoning)
Foot diseases and conditions (such as Athlete's foot, plantar warts and bunions) Musculoskeletal conditions (feet)
Frostbites Weather related injuries
Ganglion cyst Musculoskeletal conditions
Gastroesophageal reflux disease (Esophagitis) Digestive diseases
Genital herpes Sexually transmitted infections
Giardiasis infection (beaver fever) Food- and water-borne illnesses (food poisoning)
Glaucoma Eye diseases
Gonorrhea Sexually transmitted infections
Gum diseases (such as gingivitis and periodontal disease) Oral diseases (dental)
Haemophilus influenzae (type b and non-b) Respiratory diseases (vaccine-preventable)
Hand-foot-mouth disease (Enterovirus 71, EV 71) Other
Hantavirus Zoonotic (animals)
Hearing loss Ear diseases
Heart attack Heart and circulation conditions
Heart diseases Heart and circulation conditions
Hepatitis Liver diseases
Hepatitis A Food- and water-borne illnesses (food poisoning)/Liver diseases (vaccine-preventable) 
Hepatitis B Liver diseases (vaccine-preventable)
Hepatitis C Liver diseases
Hepatitis D Liver diseases
Hepatitis E Food- and water-borne illnesses (food poisoning)/Liver diseases
Hepatitis G Liver diseases
Histoplasmosis Respiratory diseases
HIV/AIDS (Human Immunodeficiency Virus /Acquired Immune Deficiency Syndrome) Sexually transmitted infections
Human Papillomavirus (HPV) Sexually transmitted infections (vaccine-preventable) 
Hypertension Heart and circulation conditions
Hypothenar hammer syndrome Musculoskeletal conditions (hand)
Hypothermia Weather related injuries
Internal derangement knee Musculoskeletal conditions (joint)
Invasive meningococcal disease (meningitis) (vaccine-preventable)
Invasive pneumococcal disease Respiratory diseases (vaccine-preventable)
Japanese encephalitis Zoonotic (mosquito-borne)(vaccine-preventable)
Learning disabilities (such as dyslexia and dysgraphia) Learning disabilities (developmental disorders)
Leg length inequality (anisomelia) Musculoskeletal conditions
Legionnaires' disease and Pontiac fever (Legionellosis) Respiratory diseases
Leishmaniasis Zoonotic (sand flies)
Leprosy Skin infections
Leptospirosis Zoonotic (animals)
Listeriosis (Listeria monocytogenes) Food- and water-borne illnesses (food poisoning)
Lung cancer Cancers (respiratory)
Lyme disease Zoonotic (tick-borne)
Lymphocytic choriomeningitis virus (LCMV) Zoonotic (animals)
Lymphogranuloma venereum (LGV) Sexually transmitted infections
Macular degeneration Eye diseases
Malaria Zoonotic (mosquito-borne)
Marburg virus disease Haemorrhagic fever, zoonotic (animals)
Measles Skin infections (vaccine-preventable) 
Mental illnesses Mental illnesses
Middle East respiratory syndrome coronavirus Respiratory diseases
Multiple sclerosis (MS, disseminated sclerosis, encephalomyelitis disseminata) Neurological diseases
Mumps (vaccine-preventable)
Musculoskeletal disorders Musculoskeletal conditions
Neurological conditions (paralysis, seizures, epilepsy) Neurological diseases
Non-polio enterovirus (such as coxsackievirus and D-68) Other
Noroviruses (gastroenteritis, stomach flu) Gastrointestinal (enteric) diseases
Obesity Metabolic disorders
Oral cancer Cancers
Osteoporosis Musculoskeletal conditions (bone)
Otosclerosis (temporal bone overgrowth) Ear diseases
Paget's disease of bone (osteitis deformans) Musculoskeletal conditions (bone)
Pancreatitis (pancreas inflammation) Digestive diseases
Parainfluenza virus Respiratory diseases
Pelvic inflammatory disease Urogenital infections
Peptic ulcer (duodenal, gastric or stomach ulcer) Other
Personality disorders Mental illnesses
Pilonidal disease Other
Plague Zoonotic (animals)(vaccine-preventable)
Plica syndrome (knee joint fold) Musculoskeletal conditions (joint)
Polio (Poliomyelitis) Food- and water-borne illnesses (vaccine-preventable)
Post-traumatic stress disorder (PTSD) Mental illnesses
Proctitis Sexually transmitted infections
Prostate cancer Cancers
Psittacosis Zoonotic (birds)
Psoriasis Skin infections
Pubic lice and scabies (ectoparasitic infestations) Sexually transmitted infections
Q Fever Zoonotic (animals)
Rabies Zoonotic (animals)(vaccine-preventable)
Raynaud's phenomenon Heart and circulation conditions
Respiratory syncytial virus (RSV) Respiratory diseases
Retinopathy Eye diseases
Rhinovirus (rhinitis, common cold) Respiratory diseases
Rift Valley Fever Zoonotic (mosquito-borne)
Ringworm (Dermatophytosis) Skin infections
Rocky Mountain Spotted Fever Zoonotic (tick-borne)
Rotator cuff disease Musculoskeletal conditions (joint)
Rotavirus (infants diarrhea, gastroenteritis) Gastrointestinal (enteric) diseases (vaccine-preventable) 
Rubella (German measles) Skin infections (vaccine-preventable)
Runner's heel (Plantar fasciltis) Musculoskeletal conditions (feet)
Salmonellosis (Salmonella) Food- and water-borne illnesses (food poisoning)
Sarcoidosis Respiratory diseases
SARS (Severe acute respiratory syndrome) Respiratory diseases
Scarlet fever (scarlatina) Other
Schizophrenia Mental illnesses
Scombroid poisoning Food- and water-borne illnesses (food poisoning)
Sexually transmitted infections (STIs) Sexually transmitted infections
Shellfish poisoning (paralytic amnesic and diarrhetic) Food- and water-borne illnesses (food poisoning)
Shigellosis (Shigella) Food- and water-borne illnesses (food poisoning)
Shingles (herpes-varicella zoster) Skin infections (vaccine-preventable)
Simian foamy virus Zoonotic (animals)
Skin cancer (melanoma and non-melanoma) Cancers
Sleep apnea Respiratory diseases
Smallpox (Variola virus Skin infections (vaccine-preventable) 
Spondylolisthesis and spondylolysis (vertebra displacement) Musculoskeletal conditions
Staph (Methicillin-Resistant Staphylococcus aureus) Skin infections
Strep throat (Streptococcus pyogenes, group A) Other
Stroke Heart and circulation conditions
Substance use disorders (drug addictions and dependence) Mental illnesses
Sunburn Weather related injuries
Syphilis Sexually transmitted infections
Tendon disorders (tendonitis, tendinitis, tenosynovitis) Musculoskeletal conditions (joint)
Tennis or golfer's elbow (Epicondylitis) Musculoskeletal conditions (joint)
Tetanus (vaccine-preventable)
Thyroid cancer Cancers
Tick-borne encephalitis Zoonotic (tick-borne)(vaccine-preventable) 
Tinnitus (ringing in ear) Ear diseases
Toxoplasmosis Zoonotic (cats)
Travellers' diarrhea Food- and water-borne illnesses (food poisoning)
Trichinellosis Food- and water-borne illnesses
Trichomoniasis Sexually transmitted infections
Tuberculosis (TB, MTB, tubercle bacillus) Respiratory diseases (vaccine-preventable)
Tularemia Zoonotic (animals)
Typhoid fever (Salmonella typhi) Food- and water-borne illnesses (vaccine-preventable)
Urethritis Urogenital infections (sexually transmitted infections)
Vaccinia virus (poxvirus) Skin infections
Vaginal yeast infection (Vulvovaginal candidiasis) Urogenital infections
Valley fever (Coccidioidomycosis) Other
Varicose veins and superficial thrombophlebitis Heart and circulation conditions
Venezuelan equine encephalitis virus (arbovirus) Zoonotic (mosquito-borne)
Vertigo (movement (sea) sickness, vertiginous disorders) Ear diseases
Vesiculovirus (Vesicular Stomatitis Virus) Zoonotic (sand flies, animals)
Vibrios (V. parahaemolyticus, V. vulnificus, V. alginolyticus) Food- and water-borne illnesses (food poisoning)
Viral haemorrhagic fever Haemorrhagic fever
Vision disabilities Eye diseases
West Nile virus Zoonotic (mosquito-borne)
Whooping cough (Pertussis) Respiratory diseases (vaccine-preventable)
Windburn Weather related injuries
Worms (intestinal nematode infections) Food- and water-borne illnesses
Yellow Fever Zoonotic (mosquito-borne) (vaccine-preventable)
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