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Doctor insights on: What Triggers Cold Sore Breakouts

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What triggers cold sore breakouts?

Stress: Any type of stress. Emotional, physical etc. Physical stress includes hormonal, sleep deprivation, immune diseases, medications, and many more. Too much sun! discuss this w your dr. So the causes can be determined and addressed! ...Read more

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Dr. Heidi Fowler
994 doctors shared insights

Cold Sore (Definition)

A cold sore is a sore that develops on lips. It is caused by infection with one ...Read more


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Having breakouts along my lip line. Do not tingle like a cold sore, but throb like chapped lips. Have taken 2 gm valtrex, no relief. Have picture.

Having breakouts along my lip line. Do not tingle like a cold sore, but throb like chapped lips. Have taken 2 gm valtrex, no relief. Have picture.

Patience!: You are probably suffering a common lesion of the lips. For the time being, you should use over the counter balm with anesthesia, for relief of pain. After five days, if no improvement, consult your doctor(dentist). ...Read more

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Can a mango allergy trigger a cold sore?

Can a mango allergy trigger a cold sore?

NO, not directly: Indirectly, ... If severely allergic reaction to mango, and you are stressed, the high stress and lower immunity trying to help fight the allergic reaction, may make you more susceptible to acquire a viral cold sore. ...Read more

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My cold sore erupted whilst eating a chinese takeaway - no advance warning. i thought i'd cut my lip . but no. has an allergy triggered it? instantly

My cold sore erupted whilst eating a chinese takeaway - no advance warning.  i thought i'd cut my lip . but no. has an allergy triggered it? instantly

No: Cold sore is caused by virus; herpes virus, a virus from same family of chicken pox, genital herpes and shingles. Cold sore usually go away without treatment. But if very painful, antiviral treatment may help reduce the duration of symptoms if started within 24 hrs ...Read more

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Had hsv1 since childhood however I never had a cold sore/outbreak. is it safe for me to get a chemical peel or would it trigger an outbreak?

Had hsv1 since childhood however I never had a cold sore/outbreak. is it safe for me to get a chemical peel or would it trigger an outbreak?

Probably safe but...: Many clinicians who do surgery on or near the face (ENT specialists, ophthalmologists, plastic surgeons) routinely treat their HSV1 infected patients with an anti-HSV drug like acyclovir or valacyclovir around the time of surgery to reduce the chance of reactivating the infection. The drugs are harmless, so why not? Talk to your doctor about it. ...Read more

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Does lysine work for cold sore. I guess leucine doesn't though.?

Lysine for herpes: I think something works for some of the people some of the time. Having said that, I do recommend lysine 300mg with each meal for people who wish to reduce breakouts of herpes. ...Read more

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The 2nd person closest to me had a cold sore and passed it to the person next to me who hit it and passed it to me (glass pipe) am i at risk?

At risk : At risk for what? Are you talking about herpes? Are you talking about aphthous ulcers? Herpes doesn't move like something playing hopscotch. Time is needed once you are exposed for a breakout to occur. Don't wait up at night waiting for a breakout. ...Read more