A cold sore will last 1 to 2 weeks before it heals. However, while the cold sore may disappear, the virus that causes cold sores will remain in the body. Some treatments can help encourage healing.

Cold sores can last anywhere from a few days to a couple of weeks after being triggered. Luckily, there are measures you can take to shorten the amount of time it lasts.

How long will a cold sore last without treatment? A. A typical cold sore caused by the HSV-1 virus should run its course in two to four weeks.

This can last for one or two days, with a cold sore developing shortly thereafter. Other symptoms include redness, pain, or swelling at the spot of the sore. [2] ...

How long will a cold sore last without treatment? A. A typical cold sore caused by the HSV-1 virus should run its course in two to four weeks.

Although, the first cold sore you get will likely last longer. Most people don’t require treatment for their cold sores, but, in some cases, a doctor may prescribe an antiviral medication such ...

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