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• Antiemetic


  A drug that suppresses nausea and vomiting (ondansetron hydrochloride)
• Antineuritic


  A drug that aids in control of bed-wetting (enuresis) (imipramine)
• Antiepileptic


  A drug that prevents epileptic seizures upon prophylactic administration (valproic acid; topiramate)
• Antiestrogen


  A drug that inhibits the action of estrogenic hormones (tamoxifen)
• Antifibrinolytic


  A drug that promotes hemostasis by inhibiting clot dissolution (fibrinolysis) (aminocaproic acid)
• Antifilarial


  A drug that kills or inhibits pathogenic filarial worms (diethylcarbamazine)
• Antiflatulent

  A drug that reduces gastrointestinal gas (simethicone)
• Antifungal, Systemic


  A drug that kills or inhibits pathogenic fungi (fluconazole)
• Antifungal, Topical

  A drug applied externally to kill or inhibit pathogenic fungi (tolnaftate)
• Antiglaucoma Agent


  A drug that lowers intraocular fluid pressure; it is used to treat glaucoma (methazolamide and acetazolamide reduce fluid formation; isofluorphate promotes fluid drainage)
• Antigonadotropin


  A drug that inhibits anterior pituitary secretion of gonadotropins; it is used to suppress ovarian malfunction (danazol)
• Antigout Agent


  A drug that reduces tissue deposits of uric acid in chronic gout or suppresses the intense inflammatory reaction of acute gout (allopurinol for chronic gout; indomethacin for acute gout)
• Antihemophilic


  A drug that replaces blood clotting factors absent in the hereditary disease hemophilia (antihemophilic factor)
• Antiherpes Agent


  A drug that inhibits replication of herpes simplex virus; it is used to treat genital herpes (acyclovir)
• Antihistaminic


  A drug that antagonizes histamine action at H1 histamine receptors; it is useful in suppressing the histamine-induced symptoms of allergy (chlorpheniramine maleate; cetirizine, fexofenadine HCl)
• Antihyperlipidemic


  A drug that lowers plasma cholesterol and lipid levels (atorvastatin)
• Antihypertensive


  A drug that lowers arterial blood pressure, especially the elevated diastolic pressure of hypertension (metoprolol; atenolol)
• Antihypocalcemic


  A drug that elevates plasma calcium level; it is useful in treating hypocalcemia (parathyroid injection)
• Antihypoglycemic


  A drug that elevates plasma glucose level; it is useful in treating hypoglycemia (glucagon)
• Anti-infective, Topical (or Local)


  A drug that kills or inhibits pathogenic microorganisms and is suitable for sterilizing skin and wounds (povidone iodine liquid soap)
• Anti-inflammatory


  A drug that inhibits physiological response to cell damage (inflammation) (prednisolone, adrenocorticosteroid; ibuprofen, nonsteroid)
• Antileishmanial


  A drug that kills or inhibits pathogenic protozoa of the genus Leishmania (hydroxystilbamidine isethionate)
• Antileprotic


  A drug that kills or inhibits Mycobacterium leprae, the causative agent of leprosy (dapsone)
• Antilipemic

  An agent that reduces lipid levels in the blood
• Antimalarial


  A drug that kills or inhibits protozoa of the genus Plasmodium, the causative agents of malaria (chloroquine)
• Antimanic


  A drug that suppresses the excitement phase (mania) of bipolar disorder (lithium carbonate)
• Antimetabolite


  A drug that attacks malignant cells or pathogenic cells by serving as a non-functional substitute for an essential metabolite (fluorouracil, antineoplastic antimetabolite)
• Antimigraine Agent

  A drug that reduces incidence or severity of migraine vascular headaches (sumatriptan)
• Anti-Motion Sickness Agent

  A drug that suppresses motion-induced nausea, vomiting, and vertigo (dimenhydrinate hydrochloride)
• Antimuscarinic

  An anticholinergic drug that inhibits symptoms mediated by acetylcholine receptors of visceral organs (muscarinic receptors) (atropine sulfate)
• Antinauseant


  A drug that suppresses nausea and vomiting; an antiemetic (ondansetron)
• Antineoplastic


  A drug that attacks malignant (neoplastic) cells in the body (chlorambucil, alkylating agent)
• Antiparasitic


  A drug that eradicates parasitic arthropods, helminths, protozoa, etc. (permethrin for scabies, mebendazole for intestinal worms, metronidazole for amebic dysentery, malathion for head lice)
• Antiparkinsonian (antidyskinetic)


  A drug that suppresses the neurologic disturbances and symptoms of parkinsonism (levodopa)
• Antiperistaltic


  A drug that inhibits intestinal motility; an antidiarrheal drug (diphenoxylate hydrochloride)
• Antiplatelet Agent


  A drug that inhibits aggregation of blood platelets; it is used to prevent heart attack (aspirin; clopidogrel bisulfate)
• Antiprogestin


  A type of hormone antagonist that antagonizes or suppresses the actions of progesterone (mifepristone)
• Antiprotozoal


  A drug that kills or inhibits pathogenic protozoa (metronidazole)
• Antipruritic

  A drug that reduces itching (pruritus) (trimeprazine, systemic antipruritic; menthol, topical antipruritic)
• Antipsoriatic


  A drug that suppresses the lesions and symptoms of psoriasis (methotrexate, systemic antipsoriatic; anthralin, topical antipsoriatic)