Antigalactic.—A medicine which lessens the secretion of milk, as Belladonna, Tannin, etc.
Antiparasitic.—An agent which destroys and repels insects, as essential oils, powdered tobacco, sulphur and naphthalin, etc.
Antiperiodic.—A medicine that tends to prevent the periodic recurrence of a disease, as Quinine Sulphate, Arsenous Acid, etc.
Antiperistaltic or Antiperistalsis.—Are medicines that produce compression of peristalsis or the worm-like movement of the intestines by which method the alimentary canal propels its contents, as Opium.
Antiphlogistic.—A medicine or agent subduing or reducing inflammation or fever, as in bloodletting, applications of cold packs or the administration of Aconite, Acetanilide, etc.
Antirheumatic.—A medicine that prevents or cures rheumatism, as Sodium Salicylates, etc.
Antipyretic.—A medicine which reduces body temperature in fever, as Quinine Sulphate, Salicylic Acid, etc.
Antiseptic.—A medicine which arrests putrefaction on or in the body, or hinders septic decomposition by killing the germs that produce it or by checking their development, as Carbolic Acid, Zinc Sulphocarbolates, etc.
Antispasmodic.—A medicine which prevents or removes spasmodic contraction of voluntary or involuntary muscles, as Belladonna, Valerian, Chloral Hydrate, etc.
Antitoxin.—A counter poison or antidote generated within the body to counteract the toxins of bacteria. Antitoxins are frequently injected hypodermically in the treatment of certain infectious diseases and also to immunize against disease, as Tetanus Antitoxin for the treatment of tetanus or lockjaw, etc.