Depends: It will help to see it. For how long you have it, is it changing in size , shape or color ?Many possibilities. See a dermatologist.
Answered 3/26/2013
5.4k views
See a doctor: So they may figure out the etiology of your problem. You could be allergic to something that you ate or something you wore or a new soap or shampoo....If its an allergic reaction - an antihistamine would be a good idea.
Answered 11/27/2015
5.4k views
Rash: How long has it been there? Are you on meds? Been out doors? Change detergents?
Answered 12/9/2012
5.4k views
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