On darker skin tones, this inflammation may appear dark red, purple ... Ringworm is a red, blotchy rash that has a raised border in a circular pattern around it. It’s caused by a fungus and ...

as well as red, circular rashes or intense itching. Psoriasis is an autoimmune disorder in which skin cells grow too quickly, which causes thick, scaly patches. It can cause flares when symptoms ...

It gets its name from its look: a round, itchy rash that’s flat, discolored, and bordered by a raised and scaly ring. The rash may look brown on darker skin and red on lighter skin. This rash ...