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Brookville, IN
A 29-year-old female 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?

1 doctor answer1 doctor weighed in
Dr. Arlo Miller
Dermatology 17 years experience
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.
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Last updated Mar 26, 2013


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