What is the trigger of this red spot on my thigh?

rash photographs that you should maintain in thoughts: question by Lilly H : What is the result in of this red spot on my thigh I. A small red spot on my thigh directly on the left side of the curve in my leg and the head of my thigh It began with a tiny red bump that I believed it was a pimple or something, but it is grow to be bigger and the redness has spread. There are also modest red spots that do not appear rash raised in this small red Sommersprossen.Gibt there a cause I must go see a

Itching Urticarial Rash