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Learn More about Cold Sores

Symptoms of cold sores/fever blisters
Cold sores or fever blisters are lesions on the lips and edge of the mouth that are caused by an infection with the Herpes Simplex Virus (HSV). Cold sore blisters usually break open, weep clear fluid, and then crust over and disappear after a few days. Other symptoms may include:- Sore mouth that makes eating, drinking, and sleeping uncomfortable.
- Cold sores can be painful.
- Fever.
- Sore throat.
- Swollen lymph nodes in the neck.
- Drooling in small children.
You may not develop cold sores when you are first infected with HSV. If cold sores do develop when you are first infected, they may be more severe than in later outbreaks. During the first outbreak of cold sores, the blisters may spread to any part of the mouth.
Once infected, HSV remains in your body and may cause cold sores to return throughout your lifetime (recurrent cold sores). Most people have 3 to 4 outbreaks per year, although a few people have more than one cold sore attack per month.
Recurrent cold sores usually develop where facial skin and the lip meet. About 6 to 48 hours before a cold sore is visible, you may feel tingling, burning, itching, numbness, tenderness, or pain in the affected area; this is called the prodromal stage. L-Lysine supplements along with a topical treatment can help lessen and stop outbreaks.
Learn More about Cold Sores

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