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Methacholine Pregnancy and Breastfeeding Warnings

Methacholine is also known as: Provocholine

Overview

It is unknown if Methacholine Solution can cause harm to the fetus. If you become pregnant while taking Methacholine Solution, discuss with your doctor the benefits and risks of using Methacholine Solution during pregnancy. It is unknown if Methacholine Solution is excreted in breast milk. Do not breast-feed while using Methacholine Solution.

Methacholine Pregnancy Warnings

Methacholine has been assigned to pregnancy category C by the FDA. Animal reproduction studies have not been reported. There are no controlled data in human pregnancy. Methacholine is only recommended for use during pregnancy when benefit outweighs risk. The manufacturer recommends in females of childbearing potential, methacholine inhalation challenge be performed either within 10 days following the onset of menses or within 2 weeks of a negative pregnancy test.

Methacholine Breastfeeding Warnings

There are no data on the excretion of methacholine into human milk. The manufacturer recommends that due to the potential for serious adverse reactions in nursing infants, a decision should be made to discontinue nursing or to discontinue methacholine, taking into account the importance of the drug to the mother.

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