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Astemizole Pregnancy and Breastfeeding Warnings

Astemizole is also known as: Hismanal

Astemizole Pregnancy Warnings

No increased risk to the fetus was observed among 114 women involved in a prospective, controlled, observational study.

Astemizole has been assigned to pregnancy category C. Animal studies have failed to reveal evidence of teratogenicity. There are no controlled data in human pregnancy. Astemizole should only be given during pregnancy when there are no alternatives and benefit outweighs risk.

Astemizole Breastfeeding Warnings

There are no data on the excretion of astemizole into human milk. However, the molecular weight of astemizole is low enough that some passage into breast milk probably occurs.

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