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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.
Cold sores will usually heal within two weeks without treatment. However, there are established cold sore treatments available to help decrease healing time, reduce pain, and in specific cases, suppress the recurrence of the virus. Nondrug therapy: Home remedies include applying a cool wet compress to the lesion to decrease pain and keep the lesion from drying and cracking.