Can you take valacyclovir 500 mg twice a day?
Abstract. Valacyclovir given in a 5-day regimen of 500 mg twice per day is effective as short-term treatment of episodes of recurrent genital herpes.
Can I take 2 500mg valacyclovir?
A standard valacyclovir dosage for recurrent genital herpes outbreaks is 500 mg twice per day for three days.
What are the different doses of valacyclovir?
Adults—1000 milligrams (mg) three times a day for seven days….Dosing
- Adults—2000 milligrams (mg) every 12 hours for one day.
- Children 12 years of age and above—2000 milligrams (mg) every 12 hours for one day.
- Children below 12 years of age—Use and dose must be determined by your doctor.
Can I take 2000 mg valacyclovir?
Adults—2000 milligrams (mg) every 12 hours for one day. Children 12 years of age and above—2000 milligrams (mg) every 12 hours for one day. Children below 12 years of age—Use and dose must be determined by your doctor.
How do you take valacyclovir 500 mg?
Valacyclovir comes as a tablet to take by mouth. It is usually taken every 8 hours (three times a day) for 7 days to treat shingles. To treat genital herpes it is usually taken twice a day for 5 days.
Can I take 1000 mg of Valtrex at once?
The PDR states that for suppressive therapy of recurrent herpes genitalis in all patients valacyclovir 1 gram (1000 mg) should be taken once daily.
What is the generic name for Valtrex?
Valacyclovir is a generic drug, which is an exact copy of the active drug in a brand-name medication. The generic is considered to be as safe and effective as the original drug. And generics tend to cost less than brand-name drugs. Valacyclovir is available as a brand-name drug called Valtrex.
Is 1000mg of valacyclovir a lot?
The standard dose of valacyclovir for suppressive therapy is 1,000 mg taken once daily. People with HSV-1 or HSV-2 that only experience infrequent outbreaks may also be prescribed a lower dose of 500 mg per day.
How long does 1000 mg of valacyclovir stay in your system?
Because valacyclovir is a prodrug, it’s only active in your body for a short period of time after it’s taken. On its own, its half-life is approximately 30 minutes. However, once valacyclovir has converted into acyclovir, it has a half-life of 2.5 to 3.3 hours in people with normal renal function.
Is there a difference between Valtrex and valacyclovir?
Official answer. Valacyclovir (Valtrex) and acyclovir (Zovirax) are antiviral drugs that work by interfering with viral DNA replication. Both drugs target the same viruses but valacyclovir provides longer duration of action, therefore, doses can be taken fewer times every day – this is the only real advantage.
Is valacyclovir stronger than acyclovir?
Studies show that a small 500 mg dose of valacyclovir is as effective as a larger 800 mg dose of acyclovir in treating HSV.
Can I take 1000 mg of Valtrex daily?
The usual dose is 20 milligrams (mg) per kilogram (kg) of body weight, taken three times a day for 5 days. However, the dose is usually not more than 1000 mg three times a day.
Does valacyclovir work for Covid 19?
It’s a treatment for adults and for children 12 and older (weighing at least 88 pounds) who have mild-to-moderate COVID-19 and are at high risk of the disease becoming severe. Take Paxlovid as soon as possible after you’re diagnosed and within 5 days of your symptoms starting.
What is the difference between valacyclovir and Valtrex?
Valacyclovir (Valtrex) is also a prescription antiviral medication also indicated in the treatment of HSV and VZV. Valacyclovir is the L-valyl ester of acyclovir. More simply put, it is considered the prodrug of acyclovir.
Can you take Valtrex long term?
Valacyclovir is prescribed regularly for long-term (months to years) prophylaxis (suppression) of herpes simplex virus (HSV) mucocutaneous outbreaks, conditions that are not considered life threatening. Thus, an excellent therapeutic index is essential.
Does Valtrex lower your immune system?
However, because they suppress the immune system, these medicines also suppress the ability of the body to fight infection. Valaciclovir is therefore given to people who have received an organ transplant, in order to help the body kill off any CMV virus.
What is the generic name for Valtrex 500 mg?
Valtrex Dosage. Medically reviewed by Drugs.com. Last updated on Dec 10, 2019. Generic name: VALACYCLOVIR HYDROCHLORIDE 500mg. Dosage form: tablet, film coated. •.
What is Valtrex used for?
What is Valtrex? to treat cold sores (herpes labialis). to treat or control genital herpes outbreaks in adults with normal immune systems. to control genital herpes outbreaks in adults with human immunodeficiency virus-1 (HIV-1).
How many mg of Valtrex can you take a day?
The dose is 500 mg of Valtrex to be taken once daily. Some patients with very frequent recurrences (≥ 10/year in absence of therapy) may gain additional benefit from the daily dose of 500 mg being taken as a divided dose (250 mg twice daily).
How long does it take for Valtrex 500 mg to work?
In a third trial, subjects were randomized to receive Valtrex 500 mg twice daily for 5 days (n = 398) or Valtrex 500 mg twice daily for 3 days (and matching placebo twice daily for 2 additional days) (n = 402). The median time to lesion healing was about 4½ days in both treatment groups.