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Doctor insights on: Viractin Cold Sore Medication

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Dr. Heidi Fowler
1,054 doctors shared insights

Cold Sore (Definition)

Also referred to as fever blisters, cold sores are small, 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 can spread to the genitalia and cause genital ...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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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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Is abreva effective in treating cold sores?

Is abreva effective in treating cold sores?

Somewhat: Cold sores are viral infections ( herpes simplex i ) and do not respond to antibiotics. The Amino Acid lysine, is very effective at reducing the time to heal. ...Read more

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Could acyclovir work well preventing cold sores?

Acyclovir (Zovirax): Is an antiviral medication that can be used to decrease symptoms form oral or genital herpes simplex, shingles or chickenpox. It can help to prevent cold sore outbreaks. ...Read more

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How effective is Valtrex (valacyclovir) for cold sores?

How effective is Valtrex (valacyclovir) for cold sores?

effective if early: Anri-virals work best if taken when prodrome like tingling occurs. Or of frequent outbreaks then as daily preventative. ...Read more

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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

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What leads to cold sore, herpes simplex virus?

What leads to cold sore, herpes simplex virus?

Yes: An estimated 80% of americans have been exposed to herpes simplex virus type 1. However, not all of those people will get cold sores. It depends on your immune system. Cold sores are painful liquid filled blisters that can occur on the lips, roof of the mouth or the gums which are caused by the herpes simplex virus (hsv-1). Tingling ;/or pain can herald the oncoming of cold sore 1 to 2 days prior. ...Read more

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Is there medicine that can suppress/prevent cold sores like herpes?

Antivirals: Acyclovir (zovirax) and valAcyclovir (valtrex) will both d the job. I prefer Acyclovir for my patients since i've had good success with it and it's significantly cheaper than valacyclovir. ...Read more

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Which is better Valtrex (valacyclovir) and or zovirax for cold sores?

Both work well!: Everyone responds differently to different anti-viral medications! i usually start by prescribing zovirax (acyclovir) and see how a person responds! i often have the patient take 5 capsules a day and also have them apply the ointment to the lesion topically! if that doesn't help, we'll try valtrex! ...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 there anything better than Valtrex (valacyclovir) for cold sores?

Is there anything better than Valtrex (valacyclovir) for cold sores?

Time: Any topical cream for cold sores helps with the pain however only time allows them to heal. ...Read more

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How effective is abreva at treating cold sores?

Don't know: Don't know about abreva, but a dental laser can be used to shorten the life of the cold sores and may stop them from returning to the same tissue area. ...Read more

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Will using abreva cause a cold sore?

Don't use any one: Else's medications. New abreva should not cause a cold sore but hopefully will help it. ...Read more

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Cold sore scar is contagious?

Cold sore scar is contagious?

Cold sores are: Reported to be contagious until the lesion actually heals over. ...Read more

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Should acyclovir (zovirax) 400 mg work on cold sore?

Cold sore: Acyclovir is a drug used to treat herpes virus infections. Many cold sores are caused by herpes virus and will respond to such treatment. However, not all cold sores are caused by herpes. In this case, the cold sore may not respond to the treatment. The good news in all this, most cold sores get better within a couple of weeks, even without treatment. Keep it moist with ointment. This helps. ...Read more