It can cause a rash calledcontact dermatitisthat causes redness, swelling, and oozing blisters.
You should stop using the medication if you develop this reaction.
Allergic Reaction
True benzoyl peroxide allergies are very rare.
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An allergic reaction can be a medical emergency that requires immediate treatment.
Side Effects
The side effects of benzoyl peroxide are different from an allergy or contact dermatitis.
Benzoyl peroxide side effectsinclude dryness, slight redness, itching, flaking skin, and minor peeling.
Not sure if what you’re experiencing is normal or something to be worried about?
If you’re concerned, you should make a call to your physician.
When choosing an over-the-counter acne product, take a careful look at the ingredient listings.
Occasionally, benzoyl peroxide is listed as “BPO.”
No matter what acne treatment you use, though, you’re able to expect some side effects.
It will take three to four months to see really good results from your treatment.
Ask your dermatologist what to expect in terms of benefits and side effects.
2016;74(5):945-73.e33.
2015 Sep;34(5 Suppl):S82-5.
Mohammad TF, Burkhart CG.Acne therapeutics: a closer look at benzoyl peroxide.Skinmed.
2015;13(2):94-6.
