Terbifon 250 Tablet is an antifungal medication used to treat skin and nail fungal infections, including ringworm. It works by killing the fungi causing the infection. It can be taken with or without food and should be taken regularly as prescribed by a doctor. Common side effects include rash, headache, nausea, and abnormal liver enzymes. Before use, inform your doctor about any allergies, kidney or liver problems, and any other medications. Pregnant and breastfeeding mothers should consult their doctor.