Can you use petro-carbo medicated first aid salve to treat ringworm?

No, you cannot use Petro-Carbo Medicated First Aid Salve to treat ringworm. It is meant to temporarily protect and help relieve chapped or cracked skin and minor skin irritations like diaper rash, insect bites, sunburn, small cuts, and abrasions. Ringworm requires special anti-fungal treatment. Consult a medical professional for an accurate diagnosis and proper treatment options for ringworm.