What does a yeast rash look like?

See below: In kids, yeast diaper rashes are beefy red and have red satellite lesions. These can also be in other areas in babies like the folds of the neck. In adults or older kids, yeast infections vary in appearance depending on the type of agent involved. Athlete's foot is a red, fine scaly rash. Jock itch is similar. Ringworm - a circular like area with a raised ring of scale around a red center.