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# How long do cold sores last and how long are they contagious?

Yes, cold sores are highly contagious and can be easily spread through close contact with an infected person, such as kissing or sharing utensils.

Cold sores typically last for about 7-10 days, although they can appear up to 20 days after you have been infected.

At the first sign of an outbreak or one of the symptoms mentioned, it is recommended to seek treatment as soon as possible to prevent symptoms from worsening and spreading.

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