Top answers from doctors based on your search:
can i swim with a cold sore
A 30-year-old member asked:

Dr. J. Lawrence Dohan answered
57 years experience Dermatology
Yes: Most cold sores are triggered by sun exposure. Sunscreen, including a sunscreen stick, is indicated. Be prepared with valacyclovir to take 2 gram (2 p ... Read More
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more. Get help now:
A 47-year-old member asked:

Dr. Arnold Malerman answered
53 years experience Orthodontics
Yes: Cold sore caused by virus. Water won't hurt it.
A member asked:

Dr. Arthur Torre answered
51 years experience Pediatric Allergy and Asthma
"fever blister": Cold sores are little blisters that form on the lips or mouth. They are caused by a herpes simplex virus. The blisters often break open and leak a c ... Read More

Dr. Evelyn Hurvitz answered
37 years experience Pediatrics
Viral infection: A "cold sore" is caused by an infection by herpes virus type i. Most of us are infected by this type of virus in childhood. We get better, but the v ... Read More
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4 thanks

Dr. Robert Kwok answered
33 years experience Pediatrics
A virus infection: Cold sores on the lips or near the lips, are usually caused by oral herpes virus. They start as a slightly raised reddish area, then form a cluster of ... Read More
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5 thanks
A 22-year-old female asked:

Dr. Robert Kwok answered
33 years experience Pediatrics
A virus infection: Cold sores on the lips or near the lips, are usually caused by oral herpes virus. They start as a slightly raised reddish area, then form a cluster of ... Read More
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A 36-year-old female asked:

Dr. Joel Gallant answered
36 years experience Infectious Disease
.???: I don't know what that means.
A 27-year-old female asked:

Dr. Bac Nguyen answered
23 years experience Family Medicine
It can appear so..: Small cold sores often appear with just slightly yellowish fluid (plasma-like) but larger ones can look like puss-filled lesion. The body white blood ... Read More
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A 36-year-old female asked:

Dr. Ronda Alexander answered
19 years experience ENT and Head and Neck Surgery
Learn about HSV: Cold sore = herpes....It has nothing to do with 'having a cold'. It's a common infection and can be transmitted whenever a sore is present and even w ... Read More
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7 thanks
A 40-year-old member asked:

Dr. Robert Ryan answered
50 years experience Dentistry
A volatile solvent: Many times a herpetic (cold sore) lesion can be aborted if caught in the 'premonition' phase (when you feel the 'burning' sensation) by the topical ap ... Read More
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2 thanks
A 43-year-old member asked:

Dr. Phillip Frist answered
46 years experience Dentistry
Stress, exposures to: Some will get them from excessive exposure to sunlight, others to tomatoes, others to spicy foods. By far the major contributor appears to be stress ... Read More
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10 thanks
A 38-year-old member asked:

Dr. Heidi Fowler answered
25 years experience Psychiatry
HSV- 1: Cold sores are painful blisters that can occur on the lips, roof of the mouth or the gums which are caused by the herpes simplex virus (hsv-1).
An es ... Read More
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