Because Calan does pass through breast milk and could potentially cause serious side effects in the nursing infant, the manufacturer of the drug does not recommend that women who are breastfeeding take Calan. However, many sources report that Calan is compatible with breastfeeding. If you are taking Calan and breastfeeding or thinking of breastfeeding, make sure to talk to your healthcare provider about the risks and benefits.
Calan and Breastfeeding: An Overview
Calan® (verapamil hydrochloride) does pass through breast milk. Because of the serious side effects that could potentially occur in the nursing infant, the manufacturer of Calan does not recommend that women who are breastfeeding use Calan. Therefore, make sure to let your healthcare provider know if you are breastfeeding or thinking of breastfeeding.
Calan and Breastfeeding: What Does the Research Say?
Although it is known that Calan passes through breast milk, it is not known what kind of effects the medication might cause in a nursing infant. However, many sources report that Calan is compatible with breastfeeding.
Talking With Your Healthcare Provider About Calan and Breastfeeding
You should talk with your healthcare provider about Calan and breastfeeding. This is because 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, you and your healthcare provider can make a shared decision about Calan and breastfeeding in your particular situation.
Written by/reviewed by: Kristi Monson, PharmD;Arthur Schoenstadt, MD
Last reviewed by: KristiMonson, PharmD;
List of references (click here):
Calan [package insert]. New York, NY: Pfizer Inc.;2011 October.
Briggs GG, Freeman RK, Yaffe SJ. Drugs in Pregnancy and Lactation. 7th ed. Philadelphia (PA): Lippincott Williams & Wilkins;2005.
National Library of Medicine (US). Drugs and Lactation Database (LactMED). NLM Web site. Available at: http://toxnet.nlm.nih.gov/cgi-bin/sis/htmlgen?LACT. Accessed March 22, 2007.
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