According to a 2021 survey, of the adults who said they had a drug allergy, the most common type, at 18 percent, was to penicillin and related antibiotics. In addition, 1 in 10 adults were allergic to antibiotics containing sulfonamides.
This statistic illustrates the percentage of adults in the United States with drug allergies who were allergic to select drugs as of 2021.
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SingleCare. (May 10, 2021). Percentage of adults in the United States with drug allergies who were allergic to select drugs as of 2021 [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 20, 2026, from /statistics/1243238/common-drug-allergies-us/
SingleCare. "Percentage of adults in the United States with drug allergies who were allergic to select drugs as of 2021." Chart. May 10, 2021. ÌÇÐÄÆƽâ°æ. Accessed July 20, 2026. /statistics/1243238/common-drug-allergies-us/
SingleCare. (2021). Percentage of adults in the United States with drug allergies who were allergic to select drugs as of 2021. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 20, 2026. /statistics/1243238/common-drug-allergies-us/
SingleCare. "Percentage of Adults in The United States with Drug Allergies Who Were Allergic to Select Drugs as of 2021." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 10 May 2021, /statistics/1243238/common-drug-allergies-us/
SingleCare, Percentage of adults in the United States with drug allergies who were allergic to select drugs as of 2021 ÌÇÐÄÆƽâ°æ, /statistics/1243238/common-drug-allergies-us/ (last visited July 20, 2026)
Percentage of adults in the United States with drug allergies who were allergic to select drugs as of 2021 [Graph], SingleCare, May 10, 2021. [Online]. Available: /statistics/1243238/common-drug-allergies-us/
