避孕药有口服和外用两种,口服避孕药大多是雌激素和孕激素的复合制剂,通过影响生殖过程中的不同环节而起避孕作用。避孕药与抗菌药、降压药及降糖药等有相互作用,甚至导致避孕失败。在此仅列举抗菌药与避孕药的相互作用。处方1　　复方炔诺酮与抗生素　　复方炔诺酮　22片1片　 Contraceptives are oral and topical two, oral contraceptives are mostly estrogen and progesterone compound preparation, through the different parts of the reproductive process and contraception. Contraceptives and antibacterials, antihypertensive drugs and hypoglycemic agents have an interaction, and even lead to contraceptive failure. Here only cited the interaction of antimicrobial agents and contraceptives. Prescription 1 Compound norethindrone and antibiotics Compound norethisterone 22 tablets a