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Condition Database

Find out about the causes, symptoms, treatments and more for thousands of diseases and conditions.

To search for a condition, just type the name in the box below and submit. Or search alphabetically, by selecting a letter for a list of conditions that begin with that letter.

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Conditions beginning with the letter H

H1N1 Flu Virus (H1N1 Influenza, Influenza A (H1N1), Human Swine Flu, Swine Flu)
H1N1 Influenza (H1N1 Flu Virus, Influenza A (H1N1), Human Swine Flu, Swine Flu)
Hair Loss (Alopecia, Baldness)
Halitosis
Hand, Foot, and Mouth Disease (HFMD, Coxsackie Virus, Enterovirus)
Hard Stools (Constipation, Difficulty Passing Stool)
HAV and HBV (Hepatitis A and B, Viral Hepatitis (Hepatitis A and B), Hep B, Hep A)
Hay Fever (Allergic Rhinitis, Allergies, Pollinosis)
Hay Fever (Pollinosis, Seasonal Allergic Rhinitis)
Head Lice (Lice, Pediculosis)
Headaches (Tension Headache, Sinus Headache, Migraine, Cluster Headache)
Hearing Loss and Deafness
Heart Artery Dilation (Angioplasty, PCTA, PCI, Balloon Angioplasty)
Heart Attack (Myocardial Infarction, MI)
Heart Disease (Coronary Artery Disease, CAD)
Heart Infection (Endocarditis, Infective Endocarditis)
Heart Murmur (Mitral Valve Prolapse, MVP)
Heartburn (GERD (Gastroesophageal reflux disease))
Heat Exhaustion (Heat Stroke, Sunstroke, Thermic Fever, Siriasis)
Heat Stroke (Sunstroke, Heat Exhaustion, Thermic Fever, Siriasis)
Heel Spur (Plantar Fasciitis, Heel Spur Syndrome)
Heel Spur Syndrome (Plantar Fasciitis, Heel Spur)
Hematogenous Osteomyelitis (Osteomyelitis, Bone Infection)
Hemochromatosis (Iron Overload, Hereditary Hemochromatosis)
Hemoglobin S Disease (Sickle Cell Anemia, Sickle Cell Disease)
Hemophilus influenzae (Childhood Vaccination, Polio, Vaccination, Diphtheria)
Hemorrhagic Stroke (Stroke, Cerebrovascular Accident, Ischemic Stroke)
Hemorrhoids (Piles, Rectal Swelling)
Hep A (Hepatitis A and B, Viral Hepatitis (Hepatitis A and B), Hep B, HAV and HBV)
Hep B (Hepatitis A and B, Viral Hepatitis (Hepatitis A and B), Hep A, HAV and HBV)
Hep C (Hepatitis C)
Hepatitis A and B (Viral Hepatitis (Hepatitis A and B), Hep B, Hep A, HAV and HBV)
Hepatitis C
Hereditary Hemochromatosis (Hemochromatosis, Iron Overload)
Hernia
Herniated Disc (Slipped Disc, Prolapsed Disc, Ruptured Disc)
Herpes (Genital Herpes, HSV-1, HSV-2)
Herpes Zoster (Shingles, Varicella-Zoster)
HFMD (Hand, Foot, and Mouth Disease, Coxsackie Virus, Enterovirus)
High Altitude Sickness (Altitude Sickness, Mountain Sickness)
High Blood Pressure (Hypertension)
High Blood Sugar (Diabetes, Hyperglycemia)
High Cholesterol (Hyperlipidemia, Cholesterol)
High Temperature (Fever, Elevated Temperature)
High Thyroid (Hyperthyroidism, Overactive Thyroid, Thyroid Disorders)
HIV/AIDS (Human Immunodeficiency Virus, AIDS)
Hives (Urticarial Rash)
Hodgkin's Disease
Hordeolum (Styes)
HPV Infection (Human Papillomavirus Infection)
HSV-1 (Genital Herpes, Herpes, HSV-2)
HSV-2 (Genital Herpes, Herpes, HSV-1)
Human Immunodeficiency Virus (HIV/AIDS, AIDS)
Human Papillomavirus Infection (HPV Infection)
Human Parvovirus B19 (Fifth Disease, Erythema Infectiosum, Slapped-Cheek Disease)
Human Swine Flu (H1N1 Influenza, H1N1 Flu Virus, Influenza A (H1N1), Swine Flu)
Huntington's Chorea (Huntington's Disease)
Huntington's Disease (Huntington's Chorea)
Hyperglycemia (Diabetes, High Blood Sugar)
Hyperhidrosis (Excessive Sweating)
Hyperlipidemia (High Cholesterol, Cholesterol)
Hyperopia (Farsightedness, Presbyopia)
Hypertension (High Blood Pressure)
Hyperthyroidism (High Thyroid, Overactive Thyroid, Thyroid Disorders)
Hyperuricemia (Gout, Gouty Arthritis)
Hypocortisolism (Addison's Disease, Adrenal Insufficiency, Primary Adrenal Insufficiency)
Hypoglycemia (Low Blood Sugar, Low Blood Glucose)
Hypoplastic Anemia (Aplastic Anemia, Aregenerative Anemia, Panmyelopathy, Toxic Paralytic Anemia)
Hypotension (Low Blood Pressure, Orthostatic Hypotension)
Hypothermia and Frostbite
Hypothyroidism (Thyroid Problems, Low Thyroid, Underactive Thyroid)

Every article in the Condition Database has been reviewed by Canadian doctors and pharmacists.

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