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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.
You can't cure HSV or a cold sore, but you can alleviate the pain it causes by avoiding spicy or acidic foods, applying ice, and using over-the-counter remedies. Look for medicines that contain numbing agents such as phenol and menthol to reduce cracking and soften scabs. Abreva is an over-the-counter topical remedy used to help speed healing and minimize pain from a cold sore. It must be used many times a day to speed the healing.