A member asked:

I used sulfur topocally and the first night had no reaction. the second i got a few red bumps. i tried one more time and immrdietly broke out in red bumps. i haven't used in over a day and i'm getting more red bumps. they r itchy. im scared it won't go

A doctor has provided 1 answer
Dr. Rebecca Gliksman answered

Specializes in Internal Medicine

Sulfa and bumps: Do not use sulfa again, you are allergic. Would take benedryl 25 mg every 8 hours for 2 days then every 12 hours for 3 days .if you work use Zyrtec (cetirizine) in the AM and benedryl when you get home. Follow up with doctor /urgent care they may wish to put you on prednisone depending how extensive the rash is. From now on let eveyrone know you are allergic to sulfa.

Answered 4/13/2015

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