Quick Answer: Does Valtrex Cause Birth Defects?

Can you get an outbreak while on Valtrex?

Can you have an outbreak while taking Valtrex.

Yes, while daily Valtrex has been shown to reduce genital herpes outbreaks by 70% to 80%, it is still possible to have an outbreak while taking the medication.

However, the frequency of outbreaks tends to go down over time for a lot of people..

How can I boost my immune system while pregnant?

How to Boost Immune System When PregnantEat Well. You can naturally boost your immune system by eating a healthy diet high in fruits, vegetables and protein, and low in sugar and other refined carbohydrates. … Stay Hydrated. … Get Plenty of Rest.

Does Valtrex affect milk supply?

The American Academy of Pediatrics considers acyclovir to be safe during breastfeeding, according to the researchers. And the current study, the researchers say, confirms that Valtrex is not found in breast milk. They conclude that Valtrex is safe during breastfeeding.

How long does 500 mg Valtrex 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 acyclovir safe in third trimester?

-This drug has been safely used to treat genital herpes in women in all stages of pregnancy. -Women who acquire genital herpes simplex virus (HSV) during late pregnancy should be managed in consultation with maternal-fetal medicine and infectious-disease specialists.

Is it safe to take Valtrex while pregnant?

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. These drugs help reduce how active the virus is.

What category is Valtrex in pregnancy?

The U.S. Food and Drug Administration considers acyclovir, valacyclovir, and famciclovir category B drugs in pregnancy, but there are few data on early pregnancy exposure. Pasternak and Hviid investigated the risk of major birth defects in the infants of mothers who took antiviral medication in their first trimester.

How many mg of Valtrex can I take while pregnant?

-Recommended regimen for HSV suppressive therapy in pregnant women with recurrent genital herpes: 500 mg orally 2 times a day starting at 36 weeks gestation.

What are side effects of Valtrex?

Side effects of Valtrex include:headache,dizziness,tired feeling,depression,nausea,vomiting,stomach pain,joint pain,More items…•

Are antivirals safe during pregnancy?

Treatment with antiviral medications is recommended for pregnant women or women who are up to 2 weeks postpartum (including following pregnancy loss) with suspected or confirmed influenza and can be taken during any trimester of pregnancy.

Can HSV cross the placenta?

Congenital herpes occurs most frequently as a result of first trimester primary infection. In these infections, the HSV virus is able to cross the placenta, leading to a number of effects.

Is it too late to take Valtrex?

Using Valacyclovir After a Cold Sore Develops While valacyclovir is most effective the earlier you use it, it’s still highly effective for treating oral herpes after the cold sores have fully developed.

Can Valtrex cause miscarriage?

It is recommended that you speak with your healthcare providers before starting or stopping this medication. Will taking acyclovir/valacyclovir increase the chance for miscarriage? Studies in pregnant women have not found an increased chance for miscarriage following acyclovir use.

Does valacyclovir cross the placenta?

Nevertheless, because valacyclovir is quickly converted to acyclovir in liver with t1/2 of less than 30 min, the placenta is mostly exposed to acyclovir even after oral valacyclovir administration.

Is it safe to take Valtrex every day?

A new study shows that daily therapy with the antiviral drug Valtrex significantly lowers the risk of transmitting genital herpes among heterosexual couples in which one partner is infected with the herpes simplex virus type 2 (HSV-2).

What are Category B drugs in pregnancy?

Category B drugs include prenatal vitamins, acetaminophen and several other medications used routinely and safely during pregnancy. If there is a clinical need for a Category B drug, it is considered safe to use it.