rchen, for example, expired eye drops can cause irritation or even damage to the cornea.ills can cause weakened immunity and exacerbation chronic diseases, but this is certainly not always the case in 2012 scientists from california tested eight medicines with 14 common active substances that were overdue for 40 years. so here are 12 of them, including, for example, aspirin, have not lost their properties and the list of such long-lived drugs is being replenished. but why are pharma companies in no hurry to revise expiration dates? the drug may have some earlier unknown side effect. and if the expiration date has not yet expired. you'll have to pay a fine. however. we, as consumers, are better off avoiding this smile. soil and not take risks from the road, by the way, there is another interesting question. and what to do with expired medicines, environmentalists recommend taking them for recycling recently in moscow, for example, they launched a campaign to collect blister packs, they installed special boxes in stores of one of the chain networks, while the initiative. it