Hard to tell: But it may be from something on your shoes causing an irritant reaction. Pay attention to the timing on the shoes worn and the appearance of the rash. Since it does not itch , allergy is unlikely the cause.
Answered 2/23/2017
790 views
4 doctors weighed in across 2 answers
5 doctors weighed in across 2 answers
6 doctors weighed in across 3 answers
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question