Anyone can get a dermatophytic infection. On child it's most commonly seen in the scalp, and causes a thick white layer like dandruff whereas in adults it's more likely to occur in the hands and feet. The most common dermatophytic infection in adults affects the feet (tinea pedis)
Risk factors that increase the likelihood of developing dermatophytic infections include systemic diseases that suppress the immune system like diabetes or systemic lupus. Additionally, environmental factors, mainly humidity, contribute to increasing the chance of developing this infection.
Treatment is with anti dandruff shampoos.
It is is a fungal infection that develops on the top layer of your skin. It's Ringworm of the body looks like ring- or circular-shaped rashes with edges that are slightly raised. The skin in the middle of these ring-shaped rashes appears healthy. Usually, the rashes are itchy. They will spread over the course of the infection
Symptoms of a more severe infection include rings that multiply and merge together. You may also develop blisters and pus-filled sores near the rings.
Antifungal medications are used to treat ringworm. Mild ringworm often responds to antifungal products that you apply to your skin. For more-severe infections, you may need to take antifungal pills for several weeks.