My father has drug allergies. What can I learn about this?

Pdr. What drugs cause allergy? Rash or other symptoms? Drugs allergies can. E. I'd to severe. It is best to determine drugs, and a ok'd those drugs and drugs in that grout such as penicillin, sulfa, florins etc, also get medical alert bracelet to avoid errors in future.
Drug Allergy. Go to the www.Aaaai.Org website to get all the information you could ever want to learn about understanding drug allergies.