H. flu meningitis
H. influenzae meningitis
H5N1
Hair follicle infection
Hair loss in men
Hair loss in women
Hairball
Hairy cell leukemia
Hairy leukoplakia
Hairy nevus
Hallervorden-Spatz disease
Hallux valgus
Hamburger disease
Hammer toe
Hand - foot - mouth disease
Hand-Schuller-Christian disease
Hansen's disease
Hantavirus pulmonary syndrome
Hantavirus
Hardening of the arteries
Hartnup disorder
Harvest mite
Hashimoto's thyroiditis
Haverhill fever
Hay fever
HCL
Head and neck cancer
Head lice
Headache - cluster
Headache - histamine
Headache - migraine with aura
Headache - migraine without aura
Headache - migraine
Headache - mixed tension migraine
Headache - tension
Hearing loss - age related
Hearing loss - occupational
Heart attack
Heart disease
Heart failure
Heart valve pulmonary stenosis
Heartburn - chronic
Hebephrenic schizophrenia
Helicobacter pylori
Heller's syndrome
HELLP syndrome
Hemangiectasia hypertrophicans
Hemangioma of the liver
Hemangioma simplex
Hemangioma
Hematocele
Hematuria - nephropathy - deafness
Hemidesmosomal epidermolysis bullosa
Hemochromatosis
Hemoglobin C disease
Hemoglobin SS disease (Hb SS)
Hemoglobinopathy
Hemolytic anemia caused by chemicals and toxins
Hemolytic anemia due to G6PD deficiency
Hemolytic anemia
Hemolytic disease of the newborn
Hemolytic-uremic syndrome (HUS)
Hemophilia A
Hemophilia B
Hemophilia
Hemorrhage - intracerebral (deep)
Hemorrhage - intracerebral (hypertensive)
Hemorrhage - intracerebral (lobar)
Hemorrhage - intracerebral
Hemorrhage - intraparenchymal
Hemorrhage - subarachnoid
Hemorrhagic dengue
Hemorrhagic familial nephritis
Hemorrhagic jaundice
Hemorrhagic stroke
Hemorrhoids
Hemothorax
Henoch-Schonlein purpura
Hepatic amebiasis
Hepatic coma
Hepatic encephalopathy
Hepatic hemangioma
Hepatic ischemia
Hepatic vein obstruction (Budd-Chiari)
Hepatic veno-occlusive disease
Hepatitis - persistent
Hepatitis A
Hepatitis B
Hepatitis C
Hepatitis D virus
Hepatitis
Hepatocellular carcinoma
Hepatocerebral degeneration
Hepatolenticular degeneration
Hepatorenal syndrome
Hereditary amyloidosis
Hereditary angioedema
Hereditary coproporphyria
Hereditary deafness and nephropathy
Hereditary elliptocytosis
Hereditary fructose intolerance
Hereditary hemorrhagic telangiectasia
Hereditary motor and sensory neuropathy
Hereditary nephritis
Hereditary ovalocytosis
Hereditary peroneal nerve dysfunction
Hereditary sensory and autonomic neuropathy - type III
Hereditary spherocytosis
Hereditary urea cycle abnormality
Hermaphrodite
Hermaphroditism
Hernia - diaphragmatic
Hernia - hiatal
Hernia - inguinal
Hernia
Herniated intervertebral disk
Herniated nucleus pulposus (slipped disk)
Herniation - brain
Herniation syndrome
Herpangina
Herpes - congenital
Herpes esophagitis
Herpes genital (genital Herpes simplex)
Herpes labialis (oral Herpes simplex)
Herpes oticus
Herpes simplex - genital
Herpes simplex - oral
Herpes simplex keratitis
Herpes simplex
Herpes zoster
Herpesvirus 2
Herpetic stomatitis
Hiatal hernia
HIE Index
High altitude cerebral edema
High altitude pulmonary edema
High arch
High blood cholesterol and triglycerides
High blood glucose level - infants
High blood pressure
High blood sugar - infants
High foot arch
High potassium
High-grade B-cell lymphoma
Hirschsprungs disease
Histamine headache
Histiocytic lymphoma
Histiocytosis
Histoplasmosis - acute (primary) pulmonary
Histoplasmosis - chronic pulmonary
Histoplasmosis - disseminated
Histoplasmosis
Histrionic personality disorder
HIV infection - asymptomatic
HIV infection
HIV seroconversion syndrome
Hives
HLHS
Hodgkin's disease
Hodgkins lymphoma
Homocystinuria
Homogentisic acid oxidase deficiency
HONK - hyperosmolar non-ketotic coma
Hookworm
Horners syndrome
Hospital-acquired MRSA (HA-MRSA)
Hospital-acquired pneumonia
Hot dog headache
Hot tub folliculitis
HSV-2
HSV
Human immunodeficiency virus infection
Human papilloma virus (HPV)
Humidifier or air-conditioner lung
Hunchback
Hunt's syndrome
Hunter syndrome
Huntington chorea
Huntington's disease
Hurler syndrome
Hurler-Scheie Syndrome (MPS 1 H/S)
HUS
Hutchinson-Gilford syndrome
Hyaline membrane disease
Hydatid disease, Hydatid cyst disease
Hydatid mole
Hydatidiform mole
Hydatidosis
Hydrocarbon pneumonia
Hydrocele
Hydrocephalus - adult
Hydrocephalus - communicating, "water on the brain"
Hydrocephalus - idiopathic
Hydrocephalus
Hydronephrosis - bilateral
Hydronephrosis
Hydrops fetalis
Hydrops
Hymenolepiasis
Hyper IgE syndrome
Hyperaldosteronism - primary and secondary
Hypercalcemia
Hypercalciuria - idiopathic
Hypercholesterolemic xanthomatosis
Hypercoagulable states
Hypercortisolism
Hyperemesis gravidarum
Hyperglycemia - infants
Hyperhidrosis
Hyperimmunization
Hyperimmunoglobulin E syndrome
Hyperkalemia
Hyperkalemic periodic paralysis
Hyperlipidemia
hyperlipoproteinemia
Hypernephroma
Hyperopia
Hyperparathyroidism
Hyperpyrexia - malignant
Hypersensitivity pneumonitis
Hypersomnia - idiopathic
Hypersplenism
Hypertension - essential
Hypertension - malignant
Hypertension - medication related
Hypertension - renovascular
Hypertension
Hypertensive heart disease
Hypertensive hemorrhage
Hypertensive intracerebral hemorrhage
Hypertensive retinopathy
Hyperthermia - malignant
Hyperthyroidism
Hypertrophic cardiomyopathy
Hypertrophic osteoarthritis
Hypertrophic pyloric stenosis
Hypertrophic scar
Hyperviscosity - newborn
Hypervitaminosis A
Hypervitaminosis D
Hyphema
Hypo Ca - infants
Hypoactive sexual desire
Hypocalcemia - infants
Hypochondria
Hypochondriasis
Hypoglycemia
Hypogonadism
Hypogonadotropic hypogonadism
Hypokalemia
Hypokalemic periodic paralysis
Hypomagnesemia
Hypomelanosis of Ito
Hypoparathyroidism
Hypophosphatemia
Hypopigmentation
Hypopituitarism Syndrome
Hypopituitarism
Hypoplastic left heart syndrome
Hypoplastic left heart
Hypoprothrombinemia
Hypospadias
Hypothalamic dysfunction
Hypothalamic glioma
Hypothalamic tumor
Hypothyroidism - primary
Hypothyroidism - secondary
Hypothyroidism
Hypovolemic shock
Hypoxic encephalopathy
Hysterical neurosis