Main Campus: Chesterfield, MO 63017 | 
Diseases & Conditions
- H. flu meningitis
- H. influenzae meningitis
- H. pylori - peptic ulcer
- H. pylori-peptic ulcer
- H1N1 influenza (Swine flu)
- H1N1 type A influenza
- H5N1
- H5N2
- H5N8
- H7N9
- HAE- Hereditary angioedema
- Haemophilus influenzae type b meningitis
- Hair - excessive (women)
- Hair - women - excessive or unwanted
- Hair breakage
- Hair loss - patchy
- Hair loss in men
- Hair loss in women
- Hair shaft fracture
- Hairball
- Hairy cell leukemia
- Hairy leukoplakia
- Hairy nevus
- Hallervorden-Spatz disease
- Hallucinogen use
- Hallux valgus
- Hamburger disease
- Hammer toe
- Hand-foot-mouth disease
- Hand-Schuller-Christian disease
- Hansen disease
- Hansen's disease
- Hantavirus
- Hantavirus pulmonary syndrome
- Hardening of the arteries
- Hardening of the arteries - mesenteric artery
- Hardening of the arteries - small intestine
- Hartnup disorder
- Harvest mite
- Hashimoto thyroiditis
- Hashimoto's thyroiditis
- Haverhill fever
- Hay fever
- HBP
- HBV children
- HCAP
- HCL
- HCMV
- HCV children
- HCY
- HDN
- Head and neck cancer
- Head injury - subdural hematoma
- Head lice
- Headache - benign
- Headache - cluster
- Headache - histamine
- Headache - migraine
- Headache - tension
- Health care associated UTI
- Health care-associated UTI
- Health-care associated pneumonia
- Hearing impairment - infants
- Hearing loss
- Hearing loss - acoustic
- Hearing loss - age related
- Hearing loss - ear wax
- Hearing loss - infants
- Hearing loss - Ménière disease
- Hearing loss - occupational
- Hearing loss - otosclerosis
- Heart aortic stenosis
- Heart attack
- Heart attack - ACS
- Heart attack-ACS
- Heart block
- Heart block - cardiac arrest
- Heart diseas- angina
- Heart disease - angina
- Heart disease - unstable angina
- Heart disease, Coronary heart disease, Coronary artery disease
- Heart failure - overview
- Heart failure - pulmonary edema
- Heart mitral regurgitation
- Heart mitral stenosis
- Heart tumor - myxoma
- Heart valve - aortic regurgitation
- Heart valve - tricuspid regurgitation
- Heart valve pulmonary stenosis
- Heartburn - chronic
- Heartburn - chronic - children
- Heavy, prolonged, or irregular periods
- Helicobacter pylori - peptic ulcer
- Heller syndrome
- HELLP syndrome
- Helminthic infection
- Hemangiectasia hypertrophicans
- Hemangioma
- Hemangioma of the liver
- Hemangioma simplex
- Hemangiosarcoma
- Hematuria - nephropathy - deafness
- Hemidesmosomal epidermolysis bullosa
- Hemochromatosis
- Hemoglobin C disease
- Hemoglobin M disease
- Hemoglobin SS disease (Hb SS)
- Hemoglobinopathy
- Hemolytic anemia
- Hemolytic anemia - spherocytic
- Hemolytic anemia caused by chemicals and toxins
- Hemolytic anemia due to G6PD deficiency
- Hemolytic disease of the fetus and newborn (HDFN)
- Hemolytic disease of the newborn
- Hemolytic-uremic syndrome
- Hemophilia
- Hemophilia A
- Hemophilia A
- Hemophilia B
- Hemophilia B
- Hemorrhage - subarachnoid
- Hemorrhagic adrenalitis
- Hemorrhagic dengue
- Hemorrhagic disease of the newborn (HDN)
- Hemorrhagic familial nephritis
- Hemorrhagic fever with renal syndrome
- Hemorrhagic jaundice
- Hemorrhagic stroke - AVM
- Hemorrhoids
- Hemothorax
- Henoch-Schönlein purpura
- Hepatic amebiasis
- Hepatic coma
- Hepatic encephalopathy
- Hepatic hemangioma
- Hepatic ischemia
- Hepatic rickets
- Hepatic vein obstruction (Budd-Chiari)
- Hepatic veno-occlusive disease
- Hepatitis
- Hepatitis A
- Hepatitis A - children
- Hepatitis B
- Hepatitis B - children
- Hepatitis C
- Hepatitis C - children
- Hepatitis D (Delta agent)
- Hepatitis D virus
- Hepatocerebral degeneration
- Hepatolenticular degeneration
- Hepatoma
- Hepatorenal syndrome
- HER2-positive breast cancer
- Hereditary amyloidosis
- Hereditary angioedema
- Hereditary balding or thinning in women
- 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 (HSAN III)
- Hereditary spherocytosis
- Hereditary urea cycle abnormality
- Hermansky-Pudlak syndrome
- Hermaphrodite
- Hermaphroditism
- Hernia
- Hernia - diaphragmatic
- Hernia - hiatal
- Hernia - inguinal
- Herniated disk
- Herniated intervertebral disk
- Herniated nucleus pulposus
- Herniated nucleus pulposus: Low back pain - herniated disk
- Herniation - brain
- Herniation syndrome
- Heroin abuse - opiate withdrawal
- Herpangina
- Herpes - congenital
- Herpes - genital
- Herpes - oral
- Herpes during pregnancy
- Herpes labialis
- Herpes oticus
- Herpes simplex
- Herpes simplex - erythema multiforme
- Herpes simplex - genital
- Herpes simplex keratitis
- Herpes zoster
- Herpes zoster - shingles
- Herpes zoster oticus
- Herpesvirus 2
- Herpetic geniculate ganglionitis
- Herpetic stomatitis
- HF
- HFM disease
- HGA
- HGE
- HGPS
- HHS
- HHT
- Hiatal hernia
- High altitude cerebral edema
- High altitude pulmonary edema
- High arch
- High blood cholesterol levels
- High blood glucose level - infants
- High blood potassium
- High blood pressure
- High blood pressure - eclampsia
- High blood pressure - hypertensive heart
- High blood pressure - infants
- High blood pressure - malignant
- High blood pressure - medicine-related
- High blood pressure - preeclampsia
- High blood pressure - renovascular
- High blood pressure and eye disease
- High blood sugar - infants
- High calcium level
- High calcium level - hyperparathyroidism
- High calcium level - parathyroid hyperplasia
- High foot arch
- High potassium level
- High-grade B-cell lymphoma
- High-grade dysplasia
- High-grade dysplasia HPV
- Hip fracture - osteoporosis
- Hirschsprung disease
- Hirsutism
- Histamine headache
- Histiocytic lymphoma
- Histiocytosis
- Histiocytosis X
- Histoplasmosis
- Histoplasmosis - acute (primary) pulmonary
- Histrionic personality disorder
- HIV - Kaposi
- HIV infection
- HIV infection - asymptomatic
- HIV infection - children
- HIV/AIDS
- HIV/AIDS - pregnancy and infants
- Hives
- Hives - angioedema
- Hives-HAE
- HLHS
- HME
- Hoarseness
- Hoarseness - laryngitis
- HOCM
- Hodgkin disease
- Hodgkin disease - children
- Hodgkin lymphoma
- Hodgkin lymphoma - children
- HOKPP
- Homocystinuria
- Homogentisic acid oxidase deficiency
- Hookworm disease
- Hookworm infection
- Hordeolum
- Horner syndrome
- Horton's headache
- Hospital acquired-UTI
- Hospital-acquired MRSA (HA-MRSA)
- Hospital-acquired pneumonia
- Hot dog headache
- Hot nodule
- Hot tub folliculitis
- Housemaid's knee
- HPIVs
- HPV
- HPV - anal cancer
- HPV - dysplasia
- HPV - vulvar cancer
- HPV DNA test
- HSIL - dysplasia
- HSIL-HPV
- HSV
- HSV-2
- HSV-antivirals
- Human African trypanosomiasis
- Human cytomegalovirus
- Human granulocytic anaplasmosis
- Human granulocytic ehrlichiosis
- Human immunodeficiency virus
- Human immunodeficiency virus - children
- Human monocytic ehrlichiosis
- Human papilloma virus (HPV)
- Human papilloma virus - dysplasia
- Human papillomavirus (HPV)
- Human parainfluenza virus
- Human scabies
- Humidifier or air-conditioner lung
- Hunchback
- Hunt syndrome
- Hunter syndrome
- Huntington chorea
- Huntington disease
- Hurler syndrome
- HUS
- Hutchinson-Gilford progeria syndrome
- Hyaline membrane disease
- Hyaline membrane disease (HMD)
- Hydatid disease, Hydatid cyst disease
- Hydatidosis
- Hydrocarbon pneumonia
- Hydrocele
- Hydrocephalus
- Hydrocephalus - adult
- Hydrocephalus - communicating
- Hydrocephalus - idiopathic
- Hydrocephalus - occult
- Hydrocodone - opiate withdrawal
- Hydronephrosis
- Hydronephrosis - bilateral
- Hydronephrosis of one kidney
- Hydrophobia
- Hydrops
- Hydrops fetalis
- Hymenolepiasis
- Hyper IgE syndrome
- Hyperaldosteronism - primary and secondary
- Hyperbilirubinemia
- Hyperbilirubinemia - breast milk
- Hyperbilirubinemia - breastfeeding
- Hypercalcemia
- Hypercalcemia
- Hypercalciuria - idiopathic
- Hypercholesterolemia
- Hypercholesterolemic xanthomatosis
- Hypercoagulable state
- Hypercortisolism
- Hyperemesis gravidarum
- Hyperglycemia - infants
- Hyperglycemic hyperosmolar coma
- Hyperglycemic hyperosmolar non-ketotic state
- Hyperhidrosis
- Hyperhydrosis
- Hyperimmunization
- Hyperimmunoglobulin E syndrome
- Hyperkalemia
- Hyperkalemia - fluid imbalance
- Hyperkalemic periodic paralysis
- HyperKPP
- Hyperlipidemia
- Hyperlipidemia - atherosclerosis
- Hyperlipoproteinemia
- Hypernatremia - fluid imbalance
- Hypernephroma
- Hyperopia
- Hyperosmolar nonketotic coma (HONK)
- Hyperparathyroidism
- Hyperparathyroidism - hypercalcemia
- Hyperparathyroidism - low phosphate
- Hyperparathyroidism - osteitis fibrosa
- Hyperparathyroidism - parathryoid adenoma
- Hyperplastic polyps
- HyperPP
- Hyperpyrexia - malignant
- Hypersensitivity pneumonitis
- Hypersensitivity vasculitis
- Hyperserotonemia
- Hypersomina
- Hypersomnia - idiopathic
- Hypersplenism
- Hypertension
- Hypertension - eclampsia
- Hypertension - hypertensive heart
- Hypertension - infants
- Hypertension - malignant
- Hypertension - medication related
- Hypertension - renovascular
- Hypertensive heart disease
- Hypertensive retinopathy
- Hyperthermia - malignant
- Hyperthyroid storm
- Hyperthyroidism
- Hyperthyroidism - Graves
- Hyperthyroidism - nodule
- Hyperthyroidism - silent thyroiditis
- Hyperthyroidism - subacute thyroiditis
- Hyperthyroidism - toxic nodular goiter
- Hypertrichosis
- Hypertrophic cardiomyopathy
- Hypertrophic obstructive cardiomyopathy
- Hypertrophic osteoarthritis
- Hypertrophic pyloric stenosis
- Hypertrophic scar
- Hypertropia
- Hyperuricemia
- Hyperviscosity - newborn
- Hypervitaminosis A
- Hypervitaminosis D
- Hypervolemic hyponatremia
- Hyphema
- Hypocalcemia - infants
- Hypochondriasis
- Hypogammaglobulinemia - IgA deficiency
- Hypogammaglobulinemia - immunodeficiency
- Hypoglycemia
- Hypoglycemia - insulinoma
- Hypoglycemia - islet cell tumor
- Hypogonadism
- Hypogonadotropic hypogonadism
- Hypokalemia
- Hypokalemia - fluid imbalance
- Hypokalemic periodic paralysis
- HypoKPP
- Hypomagnesemia
- Hypomelanosis of Ito
- Hypomelanosis of Ito (more commonly used)
- Hyponatremia
- Hyponatremia - fluid imbalance
- Hypoparathyroidism
- Hypophosphatemia
- Hypopituitarism
- Hypopituitarism syndrome
- Hypoplastic anemia
- Hypoplastic anemia - triphalangeal thumbs, Aase-Smith type
- Hypoplastic anemia/Triphalangeal thumb syndrome
- Hypoplastic left heart syndrome
- HypoPP
- Hypoprothrombinemia
- Hypospadias
- Hypotension
- Hypothalamic dysfunction
- Hypothalamic glioma
- Hypothalamic tumor
- Hypothalamus - tumor
- Hypothyroidism
- Hypothyroidism - Hashimoto
- Hypothyroidism - infants
- Hypotropia
- Hypovolemic hyponatremia
- Hypovolemic shock
- Hypoxic encephalopathy
- Hysterical neurosis
