Hemostatic.—A medicine which stops bleeding, as Tincture Chloride of Iron, Ergot, etc.
Hepatic Depressant or Sedative.—A medicine that decreases the function of the liver, as Plumbi Acetate, Morphine, etc.
Hepatic Stimulant.—A medicine which increases the functions of the liver, as Calomel, Podophyllin, etc.
Hidrotic or Hydrotic.—A medicine that stimulates perspiration (sweat), as Pilocarpine, Spirits Ether Nit., etc.
Hydragogue.—A medicine which causes full watery evacuations from the bowels, as Arecoline, Gamboge, etc.
Hypnotic.—A medicine which produces sleep, as Chloral Hydrate, Morphine, Potassium Bromide, etc.
Hyposthenic.—A medicine which causes weakness, debility, as Lobelia.
Idiosyncrasy.—A peculiarity of constitution that makes one person or animal react differently to medicines or other influences from most persons or animals.
Insecticide.—A substance used to destroy insects, as unrefined carbolic acid, benzine, etc.
Intoxicant.—A drug which excites or stupifies, as alcohol, etc.