Fixed drug eruption?: Sorry to hear of this problem, but glad you're seeing a dermatologist. S/he is the best person to further evaluate the problem. Your question about allergy may be a clue. Certain medications can cause this sort of thing. "Burn" like and "seeping" suggest the kind of allergy called fixed drug eruption. Ask the dermatologist. Diphenhydramine (Benadryl) probably won't help much.
Answered 11/23/2019
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