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Terazosin Pregnancy and Breastfeeding Warnings

Terazosin is also known as: Hytrin

Terazosin Pregnancy Warnings

Terazosin has been assigned to pregnancy category C by the FDA. Animal studies have revealed increased fetal resorption in rats given doses 1,330 times the maximum recommended human dose and increased fetal resorptions, decreased fetal weight, and an increased number of supernumerary ribs in rabbits given doses 165 times the maximum recommended human dose. In addition, postnatal studies in rats given doses greater than 300 times the maximum recommended human dose have revealed increased mortality during the three-week postpartum period relative to controls. There are no controlled data in human pregnancy. Terazosin should only be given during pregnancy when benefit outweighs risk.

Terazosin Breastfeeding Warnings

There are no data on the excretion of terazosin into human milk. The manufacturer recommends that caution be used when administering terazosin to nursing women.

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