5-Minute Pediatric Consult
- Haemophilus ducreyi
- Hair bezoars (trichobezoars)
- Hair loss
- Hair tourniquet syndrome
- Hallermann-Streiff syndrome
- Hand-Schüller-Christian syndrome
- Hashimoto-Pritzker syndrome
- Head banging
- Head lice
- Heart–lung transplantation, for cardiomyopathy
- Heart rate
- Heat exhaustion
- Heat intolerance, in cystic fibrosis
- Heiner syndrome
- Heinz body hemolytic anemia
- Hemangioblastoma
- Hemangiopericytoma
- Hemifacial microsomia
- Hemifacial spasm
- Hemimegalencephaly
- Hemiplegic migraine
- Hemophagocytic lymphohistiocytosis (HLH)
- Hepatic mass
- Hepatic toxicity, in cancer therapy
- Hepatic venous outflow obstruction
- Hepatitis A
- Hepatitis A vaccine
- Hepatitis B immune globulin
- Hepatitis E
- Hepatocyte transplant
- Hereditary ectodermal dysplasia
- Hereditary fructose intolerance
- Hereditary glomerulonephritis
- Hereditary hemorrhagic telangiectasia
- Hereditary multiple exostoses
- Herpes gladiatorum
- Heterotaxy syndrome
- Heterotopia
- Hexoaminidase deficiency
- Hiccups
- High-altitude cerebral edema (HACE)
- High-altitude pulmonary edema (HAPE)
- Highly active antiretroviral therapy (HAART)
- Histiocytosis X
- Holocarboxylase synthetase deficiency
- Hordeolum
- Horseshoe abscess
- Human bites
- Human granulocytic anaplasmosis (HGA)
- Human monocytic ehrlichiosis (HME)
- Human rabies immune globulin (HRIG)
- Huntington disease
- Hurler syndrome
- Hutchinson-Gilford progeria syndrome
- Hyaline membrane disease
- Hydration
- Hydroa aestivale
- Hyperbaric oxygen treatment, for carbon monoxide poisoning
- Hypercalcemia of malignancy
- Hyperekplexia
- Hypereosinophilic syndrome (HES)
- Hyperglycinemia, nonketotic
- Hyperimmunoglobulin D (IgD) syndrome
- Hyperoxia test
- Hyperparathyroidism-jaw tumor syndrome
- Hyperpigmentation, acne and
- Hypersensitivity reaction, with food
- Hypersomnolence, in floppy infant syndrome
- Hypertensive emergencies
- Hypertensive urgencies
- Hypertropia
- Hyperuricosuria
- Hypervolemic hyponatremia
- Hypnagogic hallucinations
- Hypocortisolism
- Hypokalemic periodic paralysis
- Hypomelanosis of Ito
- Hypomelanotic macules
- Hypophosphatasia, infantile
- Hypophosphatemic disorders
- Hypophysitis
- Hypoplastic thorax syndrome
- Hypopnea
- Hyposplenia
- Hypotelorism
- Hypovolemic hyponatremia
- Hypovolemic shock
- Hypoxemia
- Hypoxemia-induced pulmonary hypertension
- Hypsarrhythmia