Dermatology Questions? Ask an Online Dermatologist.
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can you upload a clear jpg photo of the area you are worried about?
do you see the "add file" link?
could be a sweat rash
it looks like it is in a fold of the skin which rubs a lot
is it painful?
have you tried baby powder on the area to decrease moisture and rubbing?
rubbing skin in a skin fold can cause sores and desquamation of the skin.
no, it doesn't look like scabies
no, it doesn't look like it is STD related.
no, this is not herpes.