- H. Pylori Infection
- Hair Loss
- Hairy Cell Leukemia
- Hammertoe And Mallet Toe
- Hamstring Injury
- Hand-Foot-And-Mouth Disease
- Hangovers
- Hashimoto's Thyroiditis
- Hay Fever
- Head And Neck Cancers
- Head Lice Infestation
- Headaches In Children
- Hearing Loss
- Heart Arrhythmia
- Heart Attack
- Heart Disease
- Heart Failure
- Heart Murmurs
- Heart Palpitations
- Heart Valve Disease
- Heartburn
- Heat Exhaustion
- Heat Rash
- Heatstroke
- Hemangioma
- Hematoma
- Hemifacial Spasm
- Hemochromatosis
- Hemophilia
- Hemorrhoids
- Henoch-Schonlein Purpura
- Hepatitis A
- Hepatitis B
- Hepatitis C
- Hepatopulmonary Syndrome
- Hereditary Hemorrhagic Telengectasia
- Hernia
- Herniated Disc
- Hiatal Hernia
- Hiccups
- Hidradenitis Suppurativa
- High Cholesterol
- Hip Dysplasia
- Hip Fracture
- Hip Impingement
- Hip Labral Tear
- Hirschsprung'S Disease
- Hirsutism
- Histoplasmosis
- HIV/AIDS
- Hives And Angioedema
- HLHS
- Hoarding Disorder
- Hodgkin
- Horner Syndrome
- Hot Flashes
- HPS
- Hpv Infection
- Hunters Syndrome
- Huntington's Disease
- Hurthle Cell Cancer
- HUS
- Hydrocephalus
- Hydrocoele
- Hypercalcemia
- Hypereosinophilic Syndrome
- Hyperglycemia In Diabetes
- Hyperhidrosis
- Hyperkalemia
- Hyperoxaluria
- Hyperparathyroidism
- Hypertension
- Hypertension in Children
- Hyperthyroidism
- Hypertrophic Cardiomyopathy
- Hypoglycemia
- Hypolipidemia
- Hyponatremia
- Hypoparathyroidism
- Hypopituitarism
- Hypospadias
- Hypotension
- Hypothermia
- Hypothyroidism