A woman in her late 30s who has frequent sinus infections is at an urgent care center again with another sinus infection. The doctor would like to prescribe amoxicillin. However, she has a history of hives after taking penicillin as a baby and she has not taken penicillin or any related antibiotics since then. SheContinue reading “I Had an Allergy to Penicillin When I was a Baby. Do I Still Need to Avoid It?”