• HAND, FOOT AND MOUTH DISEASE
  • HAY FEVER - The name is confusing since hay does not cause an allergic reaction and there is no fever. Attacks flare up in pollen season and disappear when it is over.
  • HEAD INJURY
  • HEADACHE, CLUSTER - A very severe headache that typically causes pain on one side of the head, behind the head, or around one eye.
  • HEADACHE, MIGRAINE is a severe and disabling headache that results from dilation of arteries in the head.
  • HEADACHE, TENSION is a general description for a common disorder.
  • HEARING IMPAIRMENT OR LOSS
  • HEART BLOCK
  • HEART RHYTHM IRREGULARITY
  • HEART VALVE DISEASE
  • HEARTBEAT, RAPID
  • HEARTBURN
  • HEARTBURN DURING PREGNANCY
  • HEATSTROKE OR HEAT EXHAUSTION
  • HEEL SPUR
  • HEMOPHILIA
  • HEMORRHOIDS
  • HEPATIC COMA is loss of consciousness due to liver failure.
  • HEPATITIS TYPE C is an inflammation of the liver caused by a viral infection.
  • HEPATITIS, VIRAL - inflammation of the liver caused by a virus.
  • HEPATITIS, ALCOHOLIC - is an inflammation of the liver occurring after years of moderate to severe alcohol abuse.
  • HEPATOMA
  • HERNIA
  • HERPANGINA
  • HERPES, GENITAL - a virus infection of the genitals transmitted by sexual relations (intercourse or oral sex).
  • HIATAL HERNIA
  • HICCUP
  • HIDRADENITIS SUPPURATIVA
  • HIP FRACTURE
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  • HIRSUTISM
  • HISTOPLASMOSIS - a fungus infection confined mostly to people who live in eastern and midwestern parts of the U.S.
  • HIV AND AIDS
  • HIVES - An allergic disorder characterized by a skin rash with raised areas, redness and itching.
  • HODGKIN'S DISEASE - malignant cancer of the lymph glands. This is a form of lymphoma.
  • HUNTINGTON CHOREA is a disease characterized by jerky, involuntary movements and mental deterioration, both intellectual and emotional.
  • HYPERALDOSTERONISM
  • HYPEREMESIS GRAVIDARUM - severe nausea and vomiting in a pregnant woman, causing dehydration and drastic changes in body chemistry.
  • HYPERHIDROSIS
  • HYPERKALEMIA is a serious condition in which excess amount of potassium are in the bloodstream.
  • HYPERLIPIDEMIA - above-normal levels of fat in the blood.
  • HYPERNEPHROMA
  • HYPERPARATHYROIDISM - Excess parathyroid hormone circulating in the blood.
  • HYPERTENSION - is sometimes called "the silent killer" because it often has no symptoms until the late stages.
  • HYPERTENSIVE HEART DISEASE refers to heart conditions that develop as a result of hypertension.
  • HYPERTHYROIDISM
  • HYPERVENTILATION
  • HYPOCHONDRIASIS
  • HYPOGLYCEMIA, FUNCTIONAL
  • HYPOPARATHYROIDISM
  • HYPOTENSION literally means diminished tension or a condition of low blood pressure.
  • HYPOTHERMIA
  • HYPOTHYROIDISM
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