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Well, cold sores are caused by all of the acid that goes into your mouth. For instance, maybe you're drinking too much soda. So, all you have to do is:

-don't drink soda all the time

-drink milk and water

Hope I helped!

Perhaps this person from the first answer is thinking of canker sores that are inside the mouth.

Cold sores/fever blisters are the same thing.

Their medical name is Herpes simplex 1. It is not the same as genital herpes simplex 2 but the same family.

Herpes (cold sores,fever blister) is a virus with no cure. Once you got it you got forever. But the intensity and frequency drastically decrease the as the years go by.

So there is no way to prevent an outbreak but there are certain triggers: a fever (hence the names-fevers come with colds) & time in the heat and sun (because it makes your body hot).

Only one thing was ever effective against mine & it was anti-perspirant. Put it right on the sore right thru the blister & then the scab stage.

Where my sores would last up to 2 weeks - with anti-perspirant they were gone in 5 days max.

It dries out the blister makes it scab in a 10th of normal time & then dries out the scab so much it falls off after 1 or 2 days.

It makes sense, of course, cause anti-perspirant is made to keep skin dry .

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13y ago
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15y ago

I have been a cold sore sufferer even since I can remember. I dont believe there is such a thing as a cure for cold sores but I have found that zovirax cream words for me. It works by drying out the sore and reduces the time that you have a nasty sore on your face.

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13y ago

If you suffer from bad cold sore outbreaks, your doctor can prescribe you an antiviral medication called Valtrax. You will take it as soon as you feel the tingle of the cold sore coming on, or as your doctor directs you.

If your outbreaks are infrequent or not too severe, just eat beans as soon as you feel a cold sore coming on. They have a chemical that can reduce the outbreak. Also, there are several over the counter medications for cold sores.

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12y ago

The only way to prevent oral herpes is to avoid contact with infected persons.Several practices can reduce the occurrence of cold sores.Avoidance of sun exposure to the face.Wash hands frequently.Maintain good general health.

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9y ago

Taking antivirals like Zovirax can help prevent outbreaks of cold sores.

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Q: How can you prevent cold sores?
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Related questions

Can cold sores be prevented from forming on my lips?

Medications will help by reducing the intensity and frequency of cold sores. There is no guarantee of any known medication today, that will prevent cold sores.


How do you prevent from getting cold sores?

It is difficult to prevent cold sores; if you are infected, lower the stress on your body, such as not getting a cold or the flu, not getting enough sleep, or staying in the sun for long periods of time without applying sunblock.


Can you use bactroban for cold sores?

Bactroban is not effective for viral cold sores.


Do you get cold sores from the wind?

You don't get cold sores from the wind.


Are cold sores contagoues?

Cold sores are very contagious.


Are cold sores airborne?

Cold sores aren't airborne.


Does polysporin work on cold sores?

Cold sores are caused by a virus, and polysporin is not active against viruses, so it won't work for cold sores.


Do they have cold sores in South America?

They do have cold sores in South America.


Can you get cold sores from hsv-2?

You can get cold sores from hsv-2.


What is the appearance of cold sores?

Cold sores look like a blister.


Are cold sores bad?

Cold sores aren't bad but they can be painful.


Can biaxsig be used for treatment of cold sores?

Biaxin is an antibacterial agent, and cold sores are viral, so it is not effective for treating cold sores.