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Doctor insights on: Zovirax Cream Cold Sores

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Can anbesol cream (for canker sores) work on cold sores?

Can anbesol cream (for canker sores) work on cold sores?

Be Careful: It is important to know that "cold sores" are caused by a virus called the Herpes virus. They are easily spread from one person to another. A canker sore, or Aphtous ulcer, is probably caused by an autoimmune reaction (the body fighting itself) Medicine for one of these is not intended for the other type of mouth sore. The anbesol cream is probably mostly for numbing the sore. ...Read more

Dr. Heidi Fowler
1,072 doctors shared insights

Cold Sore (Definition)

Also referred to as fever blisters, cold sores are small and painful fluid-filled blisters that are usually found around the lips. Cold sores are very contagious and can be spread by mouth-to-mouth contact and to the genitals, causing genital ...Read more


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Fever blisters: zovirax (acyclovir) cream or ointment is better?

Fever blisters: zovirax (acyclovir) cream or ointment is better?

Neither: Neither is particularly effective. The best treatment to shorten the course of a cold sore or fever blister is oral valacyclovir or acyclovir, if it's given very early at the first onset of symptoms. ...Read more

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Is Valtrex (valacyclovir) or zovirax better for cold sores?

Is Valtrex (valacyclovir) or zovirax better for cold sores?

Either: I'm assuming you're talking about oral Valtrex (valacyclovir) and zovirax (not zovirax cream). Both are effective, but Valtrex (valacyclovir) is more convenient, because it doesn't have to be taken as frequently. My favorite way to treat cold sores is to have the patient take 2 grams of Valtrex (valacyclovir) at the very first sign of an outbreak, and then 2 grams 12 hours later. That two-dose course will shorten the duration of infection. ...Read more

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Herpes on buttocks will zovirax (acyclovir) cream help?

Herpes on buttocks will zovirax (acyclovir) cream help?

Herpes: Although there is no cure for herpes, some drugs have been effective in reducing the frequency and duration of outbreaks. It might be a good idea to discuss options with your doctor. If you have outbreaks often, you may want to consider taking an antiviral drug every day. Doctors call this suppressive therapy. The oral medications are more effective. ...Read more

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Do cold sores itch?

Do cold sores itch?

They can: A cold sore is a lesion with blisters (lip, chin, cheek, nostril & sometimes mouth) which causes burning, pain & itching. ...Read more

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Blistex work for cold sores?

There are medicated: Forms of blistex designed for use with cold sores. ...Read more

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Can abreva work on cold sores?

Can abreva work on cold sores?

Yes,: There is no cure for cold sores. However, some medications may relieve pain and soften HSV crusts on the skin. Abreva is one of them. ...Read more

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Is famvir (famciclovir) effective for cold sores?

Is famvir (famciclovir) effective for cold sores?

Yes: If taken at first sign of outbreak at adaquate dosing(1500mgm as single dose) should be sufficient. ...Read more

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When to apply zovirax (acyclovir) to a cold sore?

When to apply zovirax (acyclovir) to a cold sore?

5 times a day: You should start applying as soon as possible every 3 hours 5 times a day. ...Read more

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Can bacitracin ointment heal genital herpes?

Can bacitracin ointment heal genital herpes?

No: Bacitracin is an antibiotic effective against some bacteria. Herpes is a virus, and Bacitracin has no activity against it. ...Read more

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Oral herpes simplex virus: does carmex work?

Oral herpes simplex virus: does carmex work?

Not really: You really need an antiviral cream or oral medication to be most effective. Over the counter abreva is better than carmex. ...Read more

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How are cold sores (herpes simplex) and canker sores different?

How are cold sores (herpes simplex) and canker sores different?

Canker vs Cold Sore: Here is a great comprehensive answer to your question: http://www.Uhs.Umich.Edu/coldcankersores. ...Read more

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Can bacitracin ointment heal genital herpes lesions?

No: Bacitracin is used to treat bacterial skin infections. Genital herpes is caused by the herpes virus, which is treated with antiviral medications. ...Read more

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How long are cold sores contagious after taking valtrex (valacyclovir)?

How long are cold sores contagious after taking valtrex (valacyclovir)?

As long as sore is : ...Visible. Cold sores are contagious at all stages from the tingling stage to the weeping stage to the scabbing and healing stage. They are most contagious at the weeping stage when fluid comes out. Valtrex (valacyclovir) may shorten the duration of infection, but if the sores are still healing they are contagious. ...Read more

Acyclovir (Definition)

Acyclovir is an antiviral drug. It slows the growth and spread of the herpes virus so that the body can fight off the infection. Acyclovir will not cure herpes, but it can lessen the ...Read more


Dr. Heidi Fowler
243 doctors shared insights

Zovirax (Definition)

Zovirax is a herpes viruses agent which is a kind of anti-viral ...Read more