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Doctor insights on: Valacyclovir

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Dr. Andrew Seibert
275 doctors shared insights

Valacyclovir (Overview)

Valacyclovir is a herpes viruses agent which is a kind of anti-viral drug (antibiotic and antimicrobial).


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What is valacyclovir used for?

What is valacyclovir used for?

Herpes Simplex Virus: Valacyclovir is used to treat infections caused by herpes viruses in adults and children. Illnesses caused by herpes viruses include genital herpes, cold sores, shingles, and chickenpox. It is also used to prevent recurrent infection by taking it daily. ...Read more

Dr. Andrew Seibert
275 doctors shared insights

Valacyclovir (Overview)

Valacyclovir is a herpes viruses agent which is a kind of anti-viral drug (antibiotic and antimicrobial).


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Just found out I have hsv1 but i get no outbreak. Should i take medication? The doctor said if you do get one she will prescribe me Valtrex (valacyclovir)

Just found out I have hsv1 but i get no outbreak. Should i take medication? The doctor said if you do get one she will prescribe me Valtrex (valacyclovir)

No: Asymptomatic exposure to herpes simplex virus doe not need to be treated with antivirals. It is treated only if there is an outbreak. Supressive treatment is only recommended if the outbreaks are very frequent and severe. ...Read more

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How effective is valacyclovir in preventing transmisson of hsv-2?

How effective is valacyclovir in preventing transmisson of hsv-2?

About 50%: The single research study that investigated this showed a 50% reduction in HSV-2 transmission between heterosexual partners who had unprotected vaginal sex about 2-3 times a month, when one partner had genital HSV-2. In other words, over a longstanding relationship, many partners still will be infected and other precautions remain wise, especially condoms and avoiding sex during obvious outbreaks. ...Read more

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Does valacyclovir work if shingles?

Yes.: Valacyclovir (trade name valtrex) is effective against shingles. The faster treatment is started after onset the better it works. Ditto for Famciclovir (famvir). ...Read more

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Is it safe for me to take valcyclovir while I am pregnant i want to know if i can take valacyclovir if I have an outbreak while I am pregnant

Is it safe for me to take valcyclovir while I am pregnant i want to know if i can take valacyclovir if I have an outbreak while I am pregnant

The : The food and drug administration (fda) categorizes valacyclovir as pregnancy category b. This category means it has not been studied in pregnant humans. However, it did not appear to cause injury in animal studies. The issue for use of any medication during pregnancy is that the possible risks need be weighed against the benefits. Although, it is often used by women who are pregnant, you should not use valacyclovir or any other medication without discussing it with your obstetrician. I hope this is helpful. ...Read more

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Is it okay to take expired valtrex (valacyclovir)? Can it be poisonous or toxic? Can it be less effective?

Is it okay to take expired valtrex (valacyclovir)? Can it be poisonous or toxic? Can it be less effective?

When did it expire?: * years. Wouldn't take it. One year..I would. Was it in a bottle in a shelf, or sitting out exposed to light. Wouldn't take it sitting out for some time. Most medicines not requiring refrigeration after opening the bottle have a two year "safe" time, assuming no high heat or water! ...Read more

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What are common side effects of valtrex (valacyclovir)?

Few side effects: Headache, nausea and vomiting are the most common side effects of using Valtrex (valacyclovir is its generic name), though they happen rather infrequently based on my experience prescribing the anti-viral medication. ...Read more

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How long does valacyclovir take to work?

How long does valacyclovir take to work?

Valacyclovir TO WORK: How long does it take valacyclovir to work? For what? Cold sores? Genital herpes? Shingles (herpes zoster)? It varies with the disease, with the length of time you had it, and how severe it is. Ask your dermatologist. ...Read more

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Can st. John's wort help with depression? And does it interact with valacyclovir?

Can st. John's wort help with depression? And does it interact with valacyclovir?

Mild to Moderate: Depressions are described as significantly relieved with the use of st. John's wort. This herbal does interact with some foods but there is no report of problems with the antiviral medication you mention. You should not have a problem, but read about possible items to avoid if you take sjw. http://www.drugs.com/cdi/st-john-s-wort.html best! ...Read more

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How many times a day should I drink valacyclovir to male him work at his best?

How many times a day should I drink valacyclovir to male him work at his best?

Re-phrase question: The question is confusing. Valacyclovir is used to treat herpes infections. for treatment, it is a medication that is taken usually three times a day for a limited time period. ...Read more

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What is valacyclovir used for?

Herpes Simplex Virus: Valacyclovir is used to treat infections caused by herpes viruses in adults and children. Illnesses caused by herpes viruses include genital herpes, cold sores, shingles, and chickenpox. It is also used to prevent recurrent infection by taking it daily. ...Read more

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Is it ok to take expired valacyclovir?

Expiration: In general, recommend against use of expired medications. ...Read more

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What is Valtrex (valacyclovir) used for?

Valacyclovir: This is an antiviral compound effective against herpes simplex. It inhibits clinical symptoms, and prolongs the duration of time between outbreaks, but is not curative, since this organism, like squatters, roaches, and rats, cannot be gotten rid of. ...Read more

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How long does valacyclovir take to work?

Valacyclovir TO WORK: How long does it take valacyclovir to work? For what? Cold sores? Genital herpes? Shingles (herpes zoster)? It varies with the disease, with the length of time you had it, and how severe it is. Ask your dermatologist. ...Read more

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What exactly does Valtrex (valacyclovir) do?

Valacyclovir: This is an antiviral compound effective against herpes simplex. It inhibits clinical symptoms, and prolongs the duration of time between outbreaks, but is not curative, since this organism, like squatters, roaches, and rats, cannot be gotten rid of. ...Read more

Valtrex (Definition)

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