收拾药箱时,我们有时会发现,还没过保质期的药似乎已经变质了。这里要为大家明确一个概念,包装盒上的保质期是指在密封状态下、按说明书要求保存的药品最长使用时限,一旦拆开密封包装,很多药品保质期会大大缩短。最典型的就是眼药水。它的保质期通常为一年,但开封后最多用30天。并且在使用时,如果不慎接触了睫毛或眼睑,保质期还会缩短。因此,每次使 When we pick up medicine boxes, we sometimes find that drugs that have not expired yet appear to have deteriorated. Here to clear a concept for everyone, the shelf life of the package means that in the sealed state, according to the instructions required to save the longest use of drugs, once opened the sealed package, many drugs shelf life will be greatly reduced. The most typical is eye drops. Its shelf life is usually one year, but up to 30 days after opening. And in use, if inadvertently contact with eyelashes or eyelids, shelf life will be shortened. So every time you make it