How common are penicillin allergies? CDC says true penicillin allergy is rare nbcnews.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from nbcnews.com Daily Mail and Mail on Sunday newspapers.
Do you have a penicillin allergy? Most people who are allergic to penicillin may not actually have the allergy. Tests can confirm if a person is allergic to penicillin.