Pharmaceuticals sold in the United States normally have an expiration date that extends from 12 to 60 months after the time of manufacture. The FDA requires that all drugs produced after 1979 have an expiration date. How... More » Health Medications & Vitamins

The primary ingredient of levothyroxine is synthetic T-4, which is identical to the hormone produced in the thyroid gland. Levothyroxine also contains inactive ingredients common in prescription medications. These inacti... More » Science Chemistry

The maker of NyQuil, Vicks, does not recommend using any of its products after the specified expiration date on the product's packaging. Vicks recommends that expired products are properly disposed of, and Vicks suggests... More » Health Medications & Vitamins
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The FDA states that the expiration date on prescription drugs must be printed on the label or stamped onto the bottle or carton. The discard date on prescription labels is either the manufacturer’s expiration date or one... More » Health Medications & Vitamins

Penicillin antibiotics, which are available only by prescription, should not be used after the expiration date found on their prescription label, according to Mayo Clinic. One should follow all the prescribing doctor's o... More » Health Medications & Vitamins

According to the Harvard Medical School Family Health Guide, it is safe to use a drug past its expiration date. This indicates the last date the manufacturer guarantees that a drug is at its full strength. Expired Tyleno... More » Health Medications & Vitamins

Expired aspirin is aspirin that is past the expiration date printed on the container. According to Bayer Healthcare LLC, using aspirin or any over-the-counter drug past the expiration date is not recommended as its effec... More » Health Medications & Vitamins