Drugs are never been used after they met their expiry dates. But according to scientists some drugs product which may be over-the-counter drugs or from other category may be used even after the their expiration. In this context U.S. Military performed a million dollar research on the efficacy of the drug products with expiry date all about 27 years ago on more than 100 products available in the market at that time. And a the research succeeded scientists were surprised with the results which proves that 90% of the drugs can be used even after the expiry date with the same efficacy.
So, Again the question was that why the companies mention the expiry dates if drug can withstand their efficacy for such a long time.
whatever will be the reason but research over this concept is a bit under controversy as it is a multi billion market which growing yeay after year and also is related with the human welfare
