Expiry dates were introduced for medicines around 30 years ago to signal the date beyond which the manufacturer can’t guarantee the full effectiveness and safety of the medication in its original sealed packaging. But that doesn’t mean it will suddenly become completely useless the day after it expires.
Well, the answer varies, depending on the type of medication, how it has been stored, over what period of time and whether it’s still in its original, sealed container.
Explainer: Do we need to follow medication use-by dates? Nissen, Lisa (2012, January 01). Explainer: Do we need to follow medication use-by dates?. , .
Do we need to follow medication use-by dates? Nissen, Lisa (2013) Do we need to follow medication use-by dates? In The Explainer : From De`ja` Vu to Why the Sky is Blue and Other Conundrums.
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May 30, 2018 · Why does the same medication, at the same dose, work well for some people, but not for others? The answer is in our genes. Addiction isn’t just about how much of a drug you take.
«Use by» date. This is the last date recommended for the use of the product while at peak quality. The date has been determined by the manufacturer of the product. «Pack» date.
Most medications have an expiration date between 12 to 60 months after they are manufactured. If a pharmacist puts your medication into another container, that date will be even shorter and is reflected in the beyond-use date.
Most of what is known about drug expiration dates comes from a study conducted by the Food and Drug Administration at the request of the military. With a large and expensive stockpile of drugs, the military faced tossing out and replacing its drugs every few years.
Best if Used By/Best Before Date ‘Best if used by’, aka ‘best before’ dates are recommended use dates as determined by the manufacturer to get the highest quality version of the product, but are not aligned to food safety dates as ‘use by’ and ‘sell by’ dates are.
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For example, if the use by date is January 2019, you shouldn’t take the medicine after December 31 2018. If your doctor or pharmacist has given you any other instructions about using or disposing of your medicine, you should also follow these.
FDA’s legal authority over cosmetics is different from our authority over other products we regulate, such as drugs, biologics, and medical devices.