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Doctor insights on: Famvir Vs Valtrex

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Which is better: vectavir vs zovirax (acyclovir)?

Pills are best: Vectavir is a brand name for penciclovir, an anti-herpes cream. Zovirax is a brand name for acyclovir, an anti-herpes drug that is available as a pill or a cream. In general, pills are much more effective for herpes than creams. ...Read more

Dr. Lynne Weixel
287 doctors shared insights

Valacyclovir (Definition)

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


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Zovirax (acyclovir) vs. Vectavir. Which is better?

Zovirax (acyclovir) vs. Vectavir. Which is better?

Cream or oral?: Vectavir (penciclovir) is a cream for herpes. Zovirax (acyclovir) is available both as a cream and pills to be taken by mouth. Neither cream works very well; if herpes treatment is needed, pills are always best. In other words, Vectavir and Zovirax creams are both poor treatments, but Zovirax pills usually are very effective. ...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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Which is best for herpes: acyclovir, famciclovir, or valacyclovir?

Which is best for herpes:  acyclovir, famciclovir, or valacyclovir?

All can work: All can work. Some experts feel the newer agents and especially valcyclovir are better, but each can help. The choice depends on several factors - how often someone wants to or can take the med, for example. The main issue is usually cost and whether one or the other is covered by insurance. If not coverage, Acyclovir is much cheaper. ...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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Does Valtrex (valacyclovir) work better than acyclovir?

Does Valtrex (valacyclovir) work better than acyclovir?

No: It's not more effective, but it's more convenient because you don't have to take it as often. Now that they're both generic, i always use valacyclovir. ...Read more

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Is Valtrex (valacyclovir) an antibiotic?

Is Valtrex (valacyclovir) an antibiotic?

Not really-Antiviral: Well if you look at the definition, Valacyclovir (Valtrex) is a medicine that can inhibit the growth of viruses but the word antibiotic is usually reserved for those that destroy or inhibits the growth of bacteria. "an·ti·bi·ot·ic noun: antibiotic; plural noun: antibiotics a medicine (such as penicillin or its derivatives) that inhibits the growth of or destroys microorganisms ". ...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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Dr. What better zovirax or denavir (penciclovir)?

Oral medication best: the best way to treat herpes of the genital of lips is to take a pill. Options are Acyclovir, famcyclovir or valcyclovir. They work better than any creams ...Read more

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Does Valtrex (valacyclovir) work on flu/viruses?

Does Valtrex (valacyclovir) work on flu/viruses?

Not flu: Valacyclovir (valtrex) only works on certain herpes viruses (mainly herpes simplex and varicella zoster). It has no activity against influenza (flu) virus or other respiratory viruses. ...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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Which of these Valtrex (valacyclovir) or acyclovir and famvir pill doesn't block my dilantin?

See below.: Both Valtrex (valacyclovir) and Acyclovir will interact with dilantin, lowering its' effectiveness. Dilantin does not interact wih famvir. You could consider switching anti-epileptic agents if the former agents are less expensive and equally effective. ...Read more

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Whats an alternative to famvir (famciclovir) 500mg?

Antivirals: Both Acyclovir (zovirax) and valacyclovir (valtrex) are similar in effect against some herpes viruses. ...Read more

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Is Valtrex (valacyclovir) only for genital herpes?

No: It's also used for shingles, oral herpes (cold sores), and herpes that occurs in other areas, such as the anus or skin. ...Read more

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Is famciclovir an alternative for acyclovir?

Yes: Same spectrum of activity, but different dose and dosing schedule. ...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

Dr. Julie Abbott
42 doctors shared insights

Famciclovir (Definition)

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


Dr. Quang Nguyen
290 doctors shared insights

Valtrex (Definition)

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