Cold sores are known to be persistent, because the aitiologikos factor is incurable. Cannot avoid outbreak after you have the virus, but there are drugs that will fit the criteria for the best medicine for a cold sore. As described below, some of these drugs are approved by the food and Drug Administration (FDA) that have been tested and have proven to work well:

1. Zovirax FDA approved drug-one that reduces the symptoms that felt even at low doses. But pain, may require higher doses.

2. Denavir-also an FDA aapproved drugs. When taken during early signs symptoms-will reduce the time for sores to heal.

3. Famvir-takes one high dose this pill to accelerate the infection by two days. This is too an FDA approved drugs.

4. Valtrex-take it twice a day (for one day only) to shorten the viral infection.

5. Aspirin-two pills that will reduce the swelling and xirotita from sores. Or you can crush a Tablet PC to make a powder and then apply the sores directly.

6. Abreva-is an FDA approved cream for such sores. Cream is also one of the best medicine for a cold sore as can shorten the duration of infection and to speed up the healing process. In addition, it also can alleviate the symptoms such as tingling and pain.

7. Aloe gel-what is implemented on the basis of sores for quick relief from the pain and itch. This cream is from the plant Aloe Vera, which has antiviral properties that is good for treating such sores.

Any of these drugs will work, especially if you always keep the sores dry, clean and protected. It is also important to keep your healthy immune system to fight infection. And because the virus is not treated with any of these medications, you should avoid factors that can trigger a sore outbreak in the first place.