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Botulinum toxin type b Pregnancy and Breastfeeding Warnings

Botulinum toxin type b is also known as: Myobloc

Overview

It is not known if Botulinum Toxin Type B can cause harm to the fetus. If you become pregnant, contact your doctor. You will need to discuss the benefits and risks of using Botulinum Toxin Type B while you are pregnant. It is not known if Botulinum Toxin Type B is found in breast milk. If you are or will be breast-feeding while you use Botulinum Toxin Type B, check with your doctor. Discuss any possible risks to your baby.

Botulinum toxin type b Pregnancy Warnings

Botulinum toxin type B has been assigned to pregnancy category C by the FDA. Animal studies have revealed evidence of maternal toxicity, abortions, and/or fetal malformations at high doses. There are no controlled data in human pregnancy. Botulinum toxin type B is only recommended for use during pregnancy when benefit outweighs risk. The manufacturer recommends counseling all patients who are pregnant at initiation of treatment, or who become pregnant during the course of treatment, to the possible risks including fetotoxicity and abortion reported in animal studies.

Botulinum toxin type b Breastfeeding Warnings

There are no data on the excretion of botulinum toxin type B into human milk. Because botulinum toxin type B is not expected to appear in the systemic circulation, it would not be available for excretion into breast milk. The manufacturer recommends that caution be used when administering botulinum toxin type B to nursing women.

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