How do you know if have cold sores?

Cold sores are small, fluid-filled blisters that develop on the lips, chin, or inside the mouth. They are caused by the herpes simplex virus (HSV-1). Cold sores are contagious and can be spread through contact with an infected person.

Symptoms of cold sores include:

* A tingling or burning sensation on the lips or chin

* The formation of small, fluid-filled blisters

* Fever

* Sore throat

* Swollen lymph nodes

* Pain when eating or talking

If you think you might have cold sores, it is important to see a doctor as soon as possible. They can prescribe antiviral medication that can help to shorten the duration of the outbreak and reduce the risk of complications.

To prevent cold sores, you should:

* Avoid contact with people who are infected with HSV-1

* Wash your hands frequently

* Do not share lip balm or other personal items

* If you have cold sores, keep them covered with a bandage to prevent the spread of the virus