ICD-10-CM
- Hachimycin
- Hair
- Halazepam
- Halcinolone
- Halcinonide
- Halethazole
- Hallucinogen NOS
- Halofantrine
- Halofenate
- Halometasone
- Haloperidol
- Haloprogin
- Halotex
- Halothane
- Haloxazolam
- Halquinols
- Hamamelis
- Haptendextran
- Harmonyl
- Hartmann's solution
- Hashish
- Hawaiian Woodrose seeds
- HCB
- HCH
- HCN
- Headache cures, drugs, powders NEC
- Heavenly Blue (morning glory)
- Heavy metal antidote
- Hedaquinium
- Hedge hyssop
- Heet
- Helenin
- Helium (nonmedicinal) NEC
- Hellebore (black) (green) (white)
- Hematin
- Hematinic preparation
- Hematological agent
- Hemlock
- Hemostatic
- Hemostyptic
- Henbane
- Heparin (sodium)
- Heparin-fraction
- Heparinoid (systemic)
- Hepatic secretion stimulant
- Hepatitis B
- Hepronicate
- Heptabarb
- Heptabarbital
- Heptabarbitone
- Heptachlor
- Heptalgin
- Heptaminol
- Herbicide NEC
- Heroin
- Herplex
- HES
- Hesperidin
- Hetacillin
- Hetastarch
- HETP
- Hexachlorobenzene (vapor)
- Hexachlorocyclohexane
- Hexachlorophene
- Hexadiline
- Hexadimethrine (bromide)
- Hexadylamine
- Hexaethyl tetraphosphate
- Hexafluorenium bromide
- Hexafluronium (bromide)
- Hexa-germ
- Hexahydrobenzol
- Hexahydrocresol (s)
- Hexahydrophenol
- Hexalen
- Hexamethonium bromide
- Hexamethylene
- Hexamethylmelamine
- Hexamidine
- Hexamine (mandelate)
- Hexanone, 2-hexanone
- Hexanuorenium
- Hexapropymate
- Hexasonium iodide
- Hexcarbacholine bromide
- Hexemal
- Hexestrol
- Hexethal (sodium)
- Hexetidine
- Hexobarbital
- Hexobendine
- Hexocyclium
- Hexoestrol
- Hexone
- Hexoprenaline
- Hexylcaine
- Hexylresorcinol
- HGH (human growth hormone)
- Hinkle's pills
- Histalog
- Histamine (phosphate)
- Histoplasmin
- Holly berries
- Homatropine
- Homochlorcyclizine
- Homosalate
- Homo-tet
- Hormone
- Hornet (sting)
- Horse anti-human lymphocytic serum
- Horticulture agent NEC
- Human
- Hyaluronidase
- Hyazyme
- Hycodan
- Hydantoin derivative NEC
- Hydeltra
- Hydergine
- Hydrabamine penicillin
- Hydralazine
- Hydrargaphen
- Hydrargyri amino-chloridum
- Hydrastine
- Hydrazine
- Hydrazoic acid, azides
- Hydriodic acid
- Hydrocarbon gas
- Hydrochloric acid (liquid)
- Hydrochlorothiazide
- Hydrocodone
- Hydrocortisone (derivatives)
- Hydrocortone
- Hydrocyanic acid (liquid)
- Hydroflumethiazide
- Hydrofluoric acid (liquid)
- Hydrogen
- Hydromethylpyridine
- Hydromorphinol
- Hydromorphinone
- Hydromorphone
- Hydromox
- Hydrophilic lotion
- Hydroquinidine
- Hydroquinone
- Hydrosulfuric acid (gas)
- Hydrotalcite
- Hydrous wool fat
- Hydroxide, caustic
- Hydroxocobalamin
- Hydroxyamphetamine
- Hydroxycarbamide
- Hydroxychloroquine
- Hydroxydihydrocodeinone
- 14-hydroxydihydro-morphinone
- Hydroxyestrone
- Hydroxyethyl starch
- Hydroxymethylpentanone
- Hydroxyphenamate
- Hydroxyphenylbutazone
- Hydroxyprogesterone
- Hydroxyquinoline (derivatives) NEC
- Hydroxystilbamidine
- Hydroxytoluene (nonmedicinal)
- Hydroxyurea
- Hydroxyzine
- Hyoscine
- Hyoscyamine
- Hyoscyamus
- Hypaque
- Hypertussis
- Hypnotic
- Hypochlorite
- Hypophysis, posterior
- Hypotensive NEC
- Hypromellose