Viramune XR and Pregnancy

Animal studies on Viramune XR (nevirapine XR) and pregnancy have shown that the medication does not appear to harm the fetus. However, because animals do not always respond to drugs in the same way as humans do, your healthcare provider should only prescribe this medicine for HIV/AIDS if the benefits outweigh the possible risks.

Can Pregnant Women Take Viramune XR?

Viramune® XR™ (nevirapine XR) is a prescription HIV medication. Based on animal studies, Viramune XR is probably safe for use during pregnancy.

What Is Pregnancy Category B?

Viramune XR is classified as a pregnancy Category B drug. The U.S. Food and Drug Administration (FDA) uses a category system to classify the possible risks to a fetus when a specific medicine is taken during pregnancy. Pregnancy Category B is given to medicines that have not been adequately studied in pregnant humans but do not appear to cause fetal harm in animal studies.
Animal studies have suggested that nevirapine, the active ingredient in Viramune XR, is unlikely to cause problems during pregnancy. High doses of the drug did increase the risk of low fetal weight, but the doses that were used were high enough to cause toxicity in the mother rats.
In some cases, Viramune XR may cause serious side effects (see Viramune XR Side Effects and Viramune XR Warnings and Precautions), which could affect any individual, pregnant or not.
However, it is important to note that animals do not always respond to medicines in the same way that humans do. Therefore, pregnancy Category B medicines, including Viramune XR, may be given to a pregnant woman if her healthcare provider believes that the benefits for the woman outweigh any possible risks to her unborn child.
Pregnancy and Pain

Viramune XR Medication Information

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