Chlorthalidone and Breastfeeding

Women who are taking chlorthalidone and breastfeeding should be aware that the medicine does pass through breast milk. However, no problems have been reported in nursing women or their babies. Potentially serious side effects are still possible, so if you are prescribed chlorthalidone and are breastfeeding (or are thinking of starting), discuss this with your healthcare provider.

 

An Overview of Chlorthalidone and Breastfeeding

Chlorthalidone (Thalitone®) is passed through breast milk. Because of the potentially serious side effects that could occur in the nursing infant, the manufacturer recommends that the drug be used with caution in breastfeeding women. Therefore, if you are breastfeeding or thinking of breastfeeding and have been prescribed chlorthalidone, make sure to let your healthcare provider know.
 

What Does the Research Say About Chlorthalidone and Breastfeeding?

While the medication is passed through breast milk, there have been no reports of problems in breastfeeding women or their babies. If your healthcare provider decides that it is okay for you to take the drug while breastfeeding, be sure to watch for any side effects or unusual changes in your baby.
 

Chlorthalidone and Breastfeeding: Talk With Your Healthcare Provider

You should talk with your healthcare provider about chlorthalidone and breastfeeding. Everyone's situation is different, and your healthcare provider understands your situation best. Based on what you want and expect, as well as your current health situation, the two of you can make a shared decision about chlorthalidone and breastfeeding that is right for you.
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Written by/reviewed by: Kristi Monson, PharmD; Arthur Schoenstadt, MD
Last reviewed by: Kristi Monson, PharmD;