A member asked:

Itchy bumps for a week now after going biking w/ sunscreen. seem to be clear/flesh colored until i scratch them and they turn red. is it heat rash?

2 doctors weighed in across 2 answers
Dr. Robert Alexander answered

Specializes in Plastic Surgery

Maybe: It is possible, depending on location of the bumps/rash. Areas under clothing or heavy perspiration are potential sites for such rashes. If on outside skin areas where sunscreen was applied, may be assoicated with contact allergy to the sun lotion or its preservatives contained. Do not scratch them. You may try use of 1% hydrocortizone cream (cortaid) applied 2-3 times a day... No scratching.

Answered 7/10/2018

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Dermatitis: Sounds like some sort of contact dermatitis or heat given the timing of the symptoms and the event. If it doesn't get better with conservative mgmt over the next few days you should consult with a dermatologist.

Answered 5/15/2013

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