Soothe pain and fight infection with the original TCP Liquid Antiseptic. TCP Liquid Antiseptic is a clear yellow solution that soothes pain and fights infection. It can be used to relieve sore throat symptoms, including those associated with colds and flu. It can also be used to mouth ulcers, cuts, grazes, bites, stings, boils, spots, and pimples. Key features of TCP Liquid Antiseptic Soothes pain and fights infection Relieve sore throat symptoms Also for mouth ulcers, cuts, grazes, bites, stings, and spots