A member asked:

Small, painful, but itchy blister-like rash on back around bra line. no known exposure to poison oak or ivy. unsure if ive had chxn pox before. ?

A doctor has provided 1 answer

Hard to label: Localized rashes are more often due to contact with an agent at that site than an illness.A fabric softener/detergent residual may be the trigger. Chigger bites are another agent that involves tight locations like belt lines/bra lines but these rarely blister. Some skin issues require more direct observation to sort out.

Answered 7/23/2019

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