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Many folks eat high lysine foods prior to or during a cold sore event, and avoid high arginine foods. For many folks, healing cold sores fast has been as simple as taking 1,000 milligrams to 3,000 milligrams of lysine in capsule supplements during an outbreak. High lysine foods to eat are most meats and dairy products.
Using nonprescription ointments that can relieve pain or help heal the cold sore. Some products such as Abreva and Zilactin can speed the healing of cold sores or prevent them if applied early enough. Other products such as Orajel and Anbesol can numb sore areas in the mouth or on the lips. Children age 2 and older can be treated with Zilactin-L Liquid, Orajel Baby, and Anbesol.