How Bad Is It to Take Expired Medication?

Certain expired medications are at risk of bacterial growth and sub-potent antibiotics can fail to treat infections, leading to more serious illnesses and antibiotic resistance. Once the expiration date has passed there is no guarantee that the medicine will be safe and effective.

How long can you take medicine after the expiration date?

While it’s best only to use non-expired medications, one study conducted by the U.S. military showed that some medications could retain their potency up to one year after the expiration date has passed.

What medications become toxic after expiration?

Practically speaking, Hall said there is a handful of drugs known to degrade quite quickly, such as nitroglycerin tablets, insulin and tetracycline, an antibiotic that may become toxic to the kidneys after it expires.

Xanax may still be potent and safe after its expiration date, but it’s not guaranteed. Some drugs, such as certain antibiotics, can actually be dangerous if taken after their expiration date, but Xanax isn’t one of those.