Elizabeth W. Covington

Penicillin is a substance produced by penicillium mold. About 80% of people with a penicillin allergy will lose the allergy after about 10 years. Clouds Hill Imaging Ltd./Corbis Documentary via Getty Images

Are you really allergic to penicillin? A pharmacist explains why there’s a good chance you’re not − and how you can find out for sure

As many as 1 in 5 Americans believe they have a penicillin allergy, but just a tiny fraction actually do. In recent years, it’s gotten a lot easier to find out.

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