Rash Outer Thigh I Have A Rash On Elbows And Now Its On My Outer Thighs Itchy And When Scrached Flares Up Gets Bigger What Is I

I have a rash on elbows and now its on my outer thighs itchy and when scrached flares up gets bigger what is i - rash outer thigh

could be an insect bite
as in medicine or insect-zero