Habitual abortion
Haemophilus vaginitis
Hair loss
Halitosis
Hand ringworm
Hansen's disease
Harada disease
Hay fever
Headache, cluster
Headache, tension
Hearing loss
Heart attack
Heart block
Heart disease, diabetic
Heart disease, rheumatic
Heart failure
Heavy periods of menstruation
Heberden's syndrome
Heel pain
Helicobacter pylori gastritis
Helosis
Hemangioma
Hemangioma, hepatic
Hematochyluria
Hematospermia
Hematuria
Hemicrania
Hemiplegia
Hemophilia
Hemorrhoids
Hemothorax/Hemopneumothorax
Hepatic coma
Hepatic cyst
Hepatic encephalopathy
Hepatic fibrosis and sclerosis
Hepatic nephropathy
Hepatitis, chronic active
Hepatitis, chronic persistent
Hepatitis, viral
Hepatolenticular degeneration
Hepatoma
Hepatorenal syndrome (HRS)
Hereditary ataxia
Hereditary leptocytosis
Hernias

Herniated nucleus pulposus
Herpes Simplex and Zoster
Herpes simplex encephalitis
Herpetic stomatitis
Herpetiformis dermatitis
Heyd's syndrome
Hiccups
High blood pressure
High degree myopia
Histamine cephalalgia
Hives
Hongkong foot
Hookworm diseases
Hordeolum
Hydatidiform mole
Hydramnios
Hydrocele
Hydrocephalus
Hydronephrosis
Hydrophobia/Dog bites
Hyperactivity/Hyperkinetic syndrome
Hyperadrenocorticism
Hyperemesis gravidarum
Hyperhidrosis
Hyperlipidemia
Hypernephroid cancer
Hyperostosis
Hyperplasia of prostate
Hyperprolactinemia
Hypersomnia
Hypertension, essential
Hyperthyroidism
Hypertrophic osteoarthropathy of lumbar disk
Hypertrophic scar
Hyperventilation syndrome
Hypoactive sexual desire
Hypochromic, microcytic anemia
Hypogalactia
Hypomelanosis
Hypomenorrhea
Hypopituitarism, postpartum
Hypotension
Hypothyroidism
Hysteria