How many mg of Valtrex can I take while pregnant?

It continues through delivery. Both the American College of Obstetricians and Gynecologists and the Centers for Disease Control and Prevention recommend the following dosages during pregnancy: acyclovir: 400-mg doses three times per day. valacyclovir: 500-mg doses twice per day.

Can valacyclovir affect pregnancy?

This large nationwide historical cohort study found no association between exposure to acyclovir, valacyclovir, or famciclovir in the first trimester of pregnancy and the risk of any major birth defect. In analyses of individual antivirals, risk estimates were similar for acyclovir and valacyclovir.

Is 1000mg of Valtrex safe?

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.

Can you take 1000 mg of valacyclovir while pregnant?

Suppressive treatment drugs in pregnancy

Long-term suppressive therapy can significantly reduce these outbreaks and is likely safe during pregnancy. Acyclovir (Zovirax) and valacyclovir (Valtrex) are the drugs most commonly used for herpes outbreak suppression and treatment during pregnancy.

When should I take Valtrex during pregnancy?

Evidence-Based Answer

Pregnant women with a primary or recurrent episode of genital HSV infection who are later than 36 weeks of gestation should be treated with acyclovir (Zovirax) or valacyclovir (Valtrex) for viral suppression.

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Is 2 grams of Valtrex too much?

For adults and children 12 years and older

The recommended dosage is 2 grams twice daily, taken 12 hours apart, for one day. Valtrex should be started at the earliest signs of a cold sore.

Is 1000mg of valacyclovir a lot?

For the treatment of an initial episode of herpes genitalis, the FDA recommends taking valacyclovir 1 gram (1000 mg) twice a day for 10 days starting at the first sign or symptom of lesions, preferably within 48 hours of onset.

What can acyclovir cause while being pregnant?

Acyclovir, an antiviral nucleoside analogue, is a widely used agent highly specific for herpes simplex and varicella-zoster viruses. Unintended exposure to acyclovir early in pregnancy, which is not uncommon, may cause excessive maternal and physician anxiety.

Can Valtrex cause miscarriage?

Miscarriage can occur in any pregnancy. Studies have not found an increased chance for miscarriage following acyclovir use.

Does valacyclovir cause birth defects?

Answer Studies have shown that the use of acyclovir or valacyclovir is not associated with an increase in birth defects. Limited data exist for famciclovir and therefore it would not be considered a first-line choice for treatment of herpes during pregnancy.