drug that inhibits the growth of or destroys mincroorganisms; used to treat diseases caused by bacteria
antihistamine
drug that blocks the effects of histamine
histamine
regulating body substance released in excess during allergic reactions that cause swelling and inflammation of tissues; seen in hay fever, urticaria (hives)
anti-inflammatory
drug that reduces inflammation
decongestant
drug that reduces congestion and swelling of membranes, such as those of the nose and eustachian tube after infection