Ringworm is a fungal rash that can be itchy. It usually comes from another person (often athletes) or an infected pet. It starts as a single, ring-shaped spot that grows over time. Most cases improve with over-the-counter antifungal treatments.

Athlete’s foot is a fungal rash that usually itches, with peeling skin between the toes and dry patches on the feet. Painful cracks called fissures can form. Most cases improve with over-the-counter treatments.

Nail fungus occurs when fungus infects toenails or fingernails, causing thick, yellow nails that may split at the tips. It often happens in people with athlete’s foot.