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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 »

www.reference.com 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 »

www.reference.com 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 »

www.reference.com 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 »

www.reference.com 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 »

www.reference.com 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 »

www.reference.com Health Medications & Vitamins

Generally, it is okay to use a skincare product after its expiration date. However, whether it is okay depends on certain conditions including how much time has passed, the temperature it was stored in, and the ingredien... More »

www.reference.com Health Medications & Vitamins