Osteoporosis Home > Binosto and Breastfeeding

It is unclear if Binosto (alendronate effervescent tablet) passes through breast milk. Before using this drug while nursing, discuss the potential risks and benefits with your healthcare provider. This drug could carry a risk for complications like low blood calcium levels in an infant whose mother is using Binosto while breastfeeding.

Can Breastfeeding Women Take Binosto?

At this time, it is unknown if Binosto™ (alendronate effervescent tablet) passes through breast milk. The manufacturer recommends it be used with caution in women who are nursing. Therefore, you should talk to your healthcare provider before taking Binosto if you are breastfeeding a child.

More Information on Binosto and Breastfeeding

No research has been done to see if Binosto passes through breast milk. Although this lack of information is certainly frustrating, it is important to understand that studies of medications are rarely done in breastfeeding women, as this would usually expose an infant, who will not directly benefit from the medication, to possible risks.
Once it enters the bloodstream, Binosto is incorporated into the bone, where it is slowly released over time; very little medication is found in the blood. Therefore, only small amounts of the medication, if any, would be likely to pass through breast milk.
In addition, like other bisphosphonates, Binosto is not well absorbed into the body when taken with food or liquids other than water. If Binosto does pass through breast milk, the minerals in breast milk would most likely bind to the medicine and limit the amount actually absorbed into an infant's body. However, until more information is available on Binosto and breastfeeding, all possible risks to an infant cannot be ruled out.
Bisphosphonates, including Binosto, can decrease blood calcium levels. Therefore, some experts recommend monitoring an infant's blood calcium level if the mother is using a bisphosphonate while breastfeeding.
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
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