Bazuka Extra Strength Treatment Gel 6gThe ingredients work together to break down and remove verrucas, warts, corns and calluses. The doctor or pharmacist has recommended this treatment because you have a wart, a verruca (the term commonly used for a wart on the sole of the foot), a corn or a callus. Warts and verrucas. Are small excessive growths of skin caused by a particular virus. The virus is highly infectious and warts and verrucas may grow and spread, particularly if left