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A member asked:

My 9 y/o son was diagnosis w/erythema multiforme. he takes xyzal (levocetirizine) to keep the rash minimal but this has lasted 3 mo. does em last this long?

A doctor has provided 1 answer

Allergy?: Erythema multiforme may be from an allergy to medications, or a viral infection which lasts 2-6 weeks if it is mild. If it's worse by now you may want to see your doctor again. Here is a handout on EM: http://www.wikidoc.org/index.php/Erythema_multiforme_%28patient_information%29

Dr Ablon agreed

Answered 4/8/2015

3.8k views

Thank

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