Skip to Content

Methyclothiazide Pregnancy and Breastfeeding Warnings

Methyclothiazide is also known as: Aquatensen, Enduron

Medically reviewed on April 11, 2018

Methyclothiazide Pregnancy Warnings

Animal studies have failed to reveal evidence of fetal harm. There are no controlled data in human pregnancy.

US FDA pregnancy category B: Animal reproduction studies have failed to demonstrate a risk to the fetus and there are no adequate and well-controlled studies in pregnant women.

This drug should be used during pregnancy only if clearly needed.

US FDA pregnancy category: B

See references

Methyclothiazide Breastfeeding Warnings

A decision should be made to discontinue breastfeeding or discontinue the drug, taking into account the importance of the drug to the mother.

Excreted into human milk: Yes

Comments: According to some authorities, this drug may be used during breastfeeding if required by the mother. High doses, however, may decrease breastmilk production.

See references

References for pregnancy information

  1. "Product Information. Enduron (methyclothiazide)." Abbott Pharmaceutical, Abbott Park, IL.

References for breastfeeding information

  1. "Product Information. Enduron (methyclothiazide)." Abbott Pharmaceutical, Abbott Park, IL.
  2. United States National Library of Medicine "Toxnet. Toxicology Data Network. Available from: URL: http://toxnet.nlm.nih.gov/cgi-bin/sis/htmlgen?LACT." ([cited 2013 -]):

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Hide