Harrison's Manual of Medicine
- hair, in malnutrition
- hallucinations, hypnagogic
- hallucinogens
- haloprogin, for dermatophyte infections
- halo sign
- hamartoma, gastric
- hand-foot-and-mouth disease
- Hantaan virus
- hantavirus pulmonary syndrome
- HAP: see hospital-acquired pneumonia (HAP)
- Haverhill fever
- head impulse test, for vertigo
- head louse
- health care worker, HIV infection in
- heartburn
- heart rate
- heat stroke
- heavy chain deposition disease
- Heinz bodies
- hemapheresis
- hematemesis
- hematin, for porphyria
- hematochezia
- hematocrit
- hemiballismus
- hemiblock
- hemicrania, paroxysmal
- hemicrania continua
- hemifacial spasm
- hemolytic patterns
- hemolytic reactions
- hemolytic uremic syndrome (HUS)
- hemophilia A
- hemophilia B
- hemorrhagic fever with renal syndrome (HFRS)
- hemorrhoidectomy
- hemostatic disorders
- Henderson-Hasselbalch equation
- hepatic artery embolization
- hepatic encephalopathy
- hepatic lipase deficiency, familial
- hepatitis A immune globulin
- hepatitis B immune globulin
- hepatocellular adenoma
- hepatocellular carcinoma
- hepatocellular disorders, liver function tests in
- hepatorenal syndrome (HRS)
- hepatotoxins
- HER2/neu
- herd immunity
- hereditary angioedema
- hereditary elliptocytosis
- hereditary spastic paraplegia
- hereditary spherocytosis
- heroin abuse
- herpangina
- herpes gladiatorum
- herpetiform lesion
- HFE mutations
- HFRS (hemorrhagic fever with renal syndrome)
- HHS (hyperglycemic hyperosmolar state)
- 5-HIAA (5-hydroxyindoleacetic acid), urinary
- hirsutism
- histotoxic hypoxia
- histrionic personality disorder
- HIV-associated nephropathy (HIVAN)
- HIV vaccine
- homonymous
- hormones, ectopic production of
- hormone therapy, for prostate cancer
- hornet sting
- hospital-acquired pneumonia (HAP)
- hot-tub folliculitis
- Howell-Jolly bodies
- HP (hypersensitivity pneumonitis)
- HRS (hepatorenal syndrome)
- HSV infections: see herpes simplex virus infections
- human herpesvirus 6 infections
- human herpesvirus 7 infections
- human metapneumovirus infections
- human T-lymphotropic virus infections
- Hunt-Hess Scale, for subarachnoid hemorrhage
- HUS (hemolytic uremic syndrome)
- hyaluronan, for osteoarthritis
- hydralazine-nitrate, for dilated cardiomyopathy
- hydrocodone, for dyspnea
- hydroids
- hydrops fetalis
- hydrothorax
- 5-hydroxyindoleacetic acid (5-HIAA), urinary
- hydroxyprogesterone, for endometrial cancer
- hymenoptera sting
- hyoscyamine, for irritable bowel syndrome
- hypalgesia
- hyperalgesia
- hyperalimentation
- hypercarbia
- hypereosinophilic syndromes
- hyperesthesia
- hyperglobulinemia
- hyperglycemic hyperosmolar state (HHS)
- hyperkalemic periodic paralysis
- hyperkinetic (bounding) pulse
- hypermagnesemia
- hypernatremia
- hyperoxaluria
- hyperpathia
- hyperpyrexia
- hypersegmentation
- hypersensitivity pneumonitis (HP)
- hypertonic saline, for hyponatremia
- hypertransfusion therapy
- hypertrophic osteoarthropathy
- hyperuricemia
- hypnozoite
- hypoaldosteronism
- hypocalcemia
- hypocupric myelopathy
- hypoglycemic unawareness
- hypogonadotropic hypogonadism
- hypohidrosis
- hypokalemic alkalosis
- hypokalemic periodic paralysis
- hypomania
- hypoparathyroidism
- hypophosphatemia
- hypophysectomy, for prostate cancer
- hypopnea
- hyposegmentation
- hyposensitization therapy, for allergic rhinitis
- hypothalamic hormones
- hypoventilation
- hypoxia
- hypoxic-ischemic encephalopathy
- hysterectomy