Quadriderm RF Cream 5 gm is used to treat various fungal and bacterial skin infections. It treats skin inflammation due to allergies or irritants, eczema (inflamed, itchy, cracked and rough skin patches), psoriasis (skin cells multiply rapidly to form bumpy (uneven) red patches covered with white scales), ringworm, athlete’s foot (fungal infection between the toes), jock itch (fungal infection in the skin of the genitals, inner thighs and buttocks), insect bites, and stings. Bacterial infection occurs when harmful bacteria grow in the body and cause infection. Fungal infection is caused when a fungus invades and affects the tissue on the skin.