Harvard Health Blog
Think your child has a penicillin allergy? Maybe not.
By: Claire McCarthy, MD, Faculty Editor, Harvard Health Publications Allergies to penicillin are the most commonly reported medication allergy. This can be a real problem; if you are allergic to penicillin, itís not just penicillin you canít take. You canít take amoxicillin and other antibiotics that are extremely similar, and itís iffy whether or not you can take cephalosporins (such as cephalexin or cefdinir), a whole other really useful and commonly used class of