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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.
There is no remedy that can make your cold go away any faster, but there are things you can do to relieve some of the symptoms, especially when you need a clear head at work: 1  Add moisture. 2  Over-the-counter pain relievers. 3  Decongestant nasal sprays. 4  Cough and cold preparations.