Disease

• Hand, foot and mouth disease
• Head lice If an infestation is suspected, it is very important that it be confirmed before starting treatment. Lice treatments must never be used as a preventive measure. Treatment should only be used when live lice are found.
• Heart attack (myocardial infarction)
• Heart failure
• Heat stroke
• Hemorrhoids
• Hepatitis C
• Herniated disc
• Herpes labialis
• HIV
• Hypertension
• Hypoglycemia Hypoglycemia occurs when blood glucose (sugar in your blood) levels drop below normal levels. 
  
  Find out about causes, symptoms and prevention. 
• Hypotension
• Hypothyroidism