H
- H.Pylori infection
- H1N1 flu
- HIV/AIDS
- Hair loss
- Hangovers
- Hay fever
- Head lice
- Headache (chronic daily)
- Headaches in children
- Hearing loss
- Heart arrhythmias
- Heart attack
- Heart disease
- Heart failure
- Heart murmurs
- Heart palpitations
- Heartburn
- Heat rash
- Heat stroke
- Hemochromatosis
- Hemophilia
- Hemorrhoids
- Hepatitis A
- Hepatitis B
- Hepatitis C
- Hiccups
- Hirsutism
- Hives (Urticaria)
- Hot flashes
- Huntington's disease
- Hypertension
- Hyperthyroidism
- Hypochondria
- Hypoglycaemia
- Hypoparathyroidism
- Hypothyroidism