It's recommended that you take at least 1 GRAM of lysine per day to get rid of a cold sore.
You can also eat foods that contain Lysine such as Turkey, Beef, Chicken, Sardines, Codfish, Pork, Yogurt, Eggs, Spirulina, Parmesan Cheese and Soybeans.
Those are all good foods to eat when you have a cold sore which contain Lysine.
You can also apply some Lysine Cream to the cold sore twice per day until the cold sore goes away which takes from 7 to 11 days.
Apple Cider Vinegar also works to get rid of cold sores and is an old but very effective home remedy for treating and getting rid of cold sores.
The Antibacterial and Antiseptic properties contained in Apple Cider Vinegar can help kill off the virus that causes cold sores.
Just take a cotton swab and dab some Apple Cider Vinegar on the Cold Sore two to three times per day until it goes away.