Singulair and Breastfeeding
No studies have been done on Singulair and breastfeeding, so it's unclear if the drug can be passed to the nursing infant. However, because potentially serious side effects are possible, the manufacturer recommends that it be used with caution in breastfeeding women. If you are taking Singulair and breastfeeding is something you are considering, discuss the pros and cons with your healthcare provider.
It is not known if Singulair® (montelukast sodium) passes through breast milk. However, because of the potentially serious side effects that could occur in the nursing infant, the manufacturer of the drug recommends that it be used with caution in breastfeeding women. Therefore, if you are breastfeeding or planning to start, make sure to let your healthcare provider know.
It is unclear if Singulair passes through breast milk; nor is it known what effects the drug could have on a young infant. If your healthcare provider recommends that you take Singulair while breastfeeding, be sure to watch for any side effects in your child.
You should discuss Singulair and breastfeeding with your healthcare provider. Everyone's situation is different, and your healthcare provider understands your situation best. After considering what you want and expect, as well as your current health situation, you and your healthcare provider can make a shared decision about Singulair and breastfeeding that is right for you.