A member asked:

Prescribed 500mg cephalexin for my adult cystic acne 4x day for 14days, then twice daily. will this cause much side effects for me? & will this work?

A doctor has provided 1 answer
Dr. Arlo Miller answered

Specializes in Dermatology

Probably No & No: It probably won't cause significant side effects. If you truly have cystic acne, its a bit of a long shot, and you would probably be better served by starting accutane.

Answered 3/26/2013

5.2k views

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