My daughter is 3 and half months old. Her BCG vaccine which was given at birth has become a blister. Puss and blood also comes out. She cries alot when this happens. How can I treat that ?#asktheexpert

A. Thrombophob ointment is a topical medicine that is used to reduce swelling, pain and local bruising or superficial clots in thrombophlebitis (inflammation of a vein related to a blood clot) and superficial bruising.