Ringworm is a fungal infection on the skin that causes a rash. The rash appears red and circular with scaly, bumpy edges. It feels itchy, burns, or can sting. It can occur almost anywhere but is ...

Often called "the itch that rashes," atopic dermatitis symptoms typically include patches of red, dry, inflamed skin, the AAD says ... so it’d be a circular area around the belly button ...

On lighter skin tones, the rash may be easier to see because it appears red or pink. On darker skin tones, a chlorine rash may be harder to see, but it’s often detected by the small bumps ...