I have an itchy spot on both of my legs. the soo on my right leg has gotten pretty big and very red around the edges. it's a bit lighter on the inside. my other leg isn't as bad yet?

Exam advised: These may be insect bites, possibly deer tick bites in view of the lighter color in the center of the rash. Do you live in an area where Lyme disease is endemic? Spreading redness could also be due to an insect bite developing cellulitis which is a secondary bacterial infection requiring oral antibiotics. I recommend having a physician examine you for diagnosis and treatment.