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Abacavir Pregnancy and Breastfeeding Warnings

Abacavir is also known as: Ziagen

Overview

If you become pregnant, contact your doctor. You will need to discuss the benefits and risks of using Abacavir while you are pregnant. It is not known if Abacavir is found in breast milk. Mothers infected with HIV should not breast-feed. There is a risk of passing the HIV infection or Abacavir to the baby.

Abacavir Pregnancy Warnings

Abacavir has been assigned to pregnancy category C by the FDA. High-dose animal studies have revealed evidence of developmental toxicity, fetal anasarca, skeletal malformations, and increased incidence of stillbirth. There are no controlled data in human pregnancy. Abacavir should only be given during pregnancy when benefit outweighs risk.

An Antiretroviral Pregnancy Registry has been established to monitor maternal-fetal outcome of abacavir exposures during pregnancy. To register patients, physicians should call 800-258-4263 (USA).

Abacavir Breastfeeding Warnings

There are no data on the excretion of abacavir into human milk; however it is excreted into rat milk. The manufacturer recommends that due to the potential for serious adverse reactions in nursing infants, mothers should not breast-feed while taking abacavir. In addition, HIV-infected mothers should not breast-feed their infants due to the risk of transmission of HIV via breast milk.

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