Methacholine

• It is used during an asthma test.

All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if you have any side effects that bother you or do not go away.

These are not all of the side effects that may occur. If you have questions about side effects, call your doctor. Call your doctor for medical advice about side effects.

You may report side effects to the FDA at 1-800-FDA-1088. You may also report side effects at http://www.fda.gov/medwatch.

Animal reproduction and fertility studies have not been conducted. There are no controlled data in human pregnancy. US FDA pregnancy category C: Animal reproduction studies have shown an adverse effect on the fetus and there are no adequate and well-controlled studies in humans, but potential benefits may warrant use of the drug in pregnant women despite potential risks.

This drug should be used during pregnancy only if clearly needed. US FDA pregnancy category: C Comments: -It is not known whether this drug can cause fetal harm or affect reproductive capacity. -A female patient should inform her physician if she is pregnant, the date of the last onset of menses, and/or the date and result of her last pregnancy test. -In females of childbearing potential, administration of the inhalation challenge should be performed either within 10 days following the onset of menses or within 2 weeks of a negative pregnancy test.