What can this skin rash be from and how should i deal?

Yes, possible.: There are many things that could cause a skin rash. Several types of inflammatory conditions of the skin, allergic reactions, sun exposure, insect bites, and sometimes bacterial, viral or fungal infections can cause rashes on the skin. Have it evaluated by a professional and get the appropriate treatment.

See doctor: For an evaluation to diagnose the rash. Cannot do this over the internet.