While canker sores appear on the inside of your mouth, lip sores are on the outside. It’s essential to treat them quickly with the right medication, without which it can grow and become difficult to get rid of. They are also called cold sores, and there are some great remedies to help in its healing. Check out – Abreva Docosanol 10% Cream, Releev 1 Day Cold Sore Treatment, Zilactin Cold Sore Gel, Herp Rescue, Orajel Touch-Free Treatment, Herpecin-L Lip Balm Stick, Lemon Balm Cold Sore & Shingles Salve, Compeed Cold Sore Patches by Johnson, Virulite Invisible Light Electronic Treatment and Campho-Phenique Cold Sore Treatment are some of the best.