目前除了抗生素、生物制品标明有效期外，多数药品只有生产批号，没有失效期和有效期，中国药典对此类药品也没明确规定使用时间的限制。销售部门又缺乏药品使用年限的说明依据，以至在药品的使用年限上往往产生过多的误解和纠纷。由于现在药典上对这些药品没有使用年限的... Currently in addition to antibiotics, biological products marked expiration date, the majority of drugs only the production lot number, no expiration date and expiry date, the Chinese Pharmacopoeia nor such drugs also did not specify the use of time limits. The sales department also lacks the basis for the description of the useful life of drugs, and often leads to excessive misunderstandings and disputes over the useful life of the drugs. Because of the current Pharmacopoeia on these drugs have no useful life ...