Pediatric Common Skin Disorders There are many common skin disorders that require the clinical care of a physician or other healthcare professional. Common skin conditions are grouped into the following categories: What are fungal infections? Skin fungi live in the top layer of skin cells in moist areas of the body, such as between the toes or in the groin and diaper area. Sometimes, the normal balances that keep fungi in check are upset, resulting in an infection. Some fungal infections cause only a small amount of irritation, while other types penetrate deeper and can cause itching, swelling, blistering, or scaling. In some cases, fungal infections can cause reactions elsewhere on the body. A child can develop a rash on the finger or hand associated with an infection of the scalp or foot, for instance. T...