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Monday, December 13, 2010 Patsey, Community Member, asks

Q: Can You Take Cephalexin If You Are Allergic To Penicillin

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Answers (1)
LAG, Community Member
12/13/10 11:09am

Cephalexin falls into a class called cephalosporins that structurally resemble penicillins.


It often depends on the type of allergy. If the allergy is itching, the likelihood of a cross-sensitivity reaction is decreased. If the allergy is hives, I wouldn't really recommend taking the cephalexin. If you do take it, be sure to have some Benadryl with you, and go to the emergency room if you have a really bad reaction that does not get better with Benadryl. If you allergy is anaphylaxis (throat closes up, difficulty breathing), DO NOT TAKE THE CEPHALOSPORIN.

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By Patsey, Community Member— Last Modified: 12/27/10, First Published: 12/13/10