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Anastrozole Pregnancy and Breastfeeding Warnings

Anastrozole is also known as: Arimidex

Anastrozole Pregnancy Warnings

Anastrozole has been assigned to pregnancy category D by the FDA. The drug has been reported to cross the placenta following oral administration in animal studies. Animal studies have revealed increased pre and/or post implantation loss, increased resorption, and a decreased numbers of live fetuses. Evidence of fetotoxicity including delayed fetal development has also been reported. There are no controlled data in human pregnancy. Anastrozole is contraindicated in women who are or may become pregnant.

Before starting treatment with anastrozole, pregnancy must be excluded. Anastrozole is only intended for use in the treatment of postmenopausal women. If anastrozole is used during pregnancy, or if the patient becomes pregnant while taking this drug, the patient should be apprised of the potential hazard to a fetus or potential risk for loss of the pregnancy.

See references

Anastrozole Breastfeeding Warnings

Anastrozole is only intended for use in the treatment of post-menopausal women.

There are no data on the excretion of anastrozole into human milk.

See references

References for pregnancy information

  1. "Product Information. Arimidex (anastrozole)." Zeneca Pharmaceuticals, Wilmington, DE.
  2. "Multum Information Services, Inc. Expert Review Panel"

References for breastfeeding information

  1. "Multum Information Services, Inc. Expert Review Panel"
  2. "Product Information. Arimidex (anastrozole)." Zeneca Pharmaceuticals, Wilmington, DE.

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