Systemic antibiotic therapy is usually necessary to cure carbuncles. Fungal Diseases Common superficial fungal diseases of the skin include ringworm, athlete's foot, and jock itch. Moisture and heat are contributing factors to these infections. Common fungal diseases invade the superficial layers of the epidermis, hair, and nails . They cause scaling, redness, itching, fissures, and vesicles.
Treatment usually involves local therapy with antifungals.