Question

I am a breastfeeding mother and i want to know if it is safe to use Byetta? Is Byetta safe for nursing mother and child? Does Byetta extracts into breast milk? Does Byetta has any long term or short term side effects on infants? Can Byetta influence milk supply or can Byetta decrease milk supply in lactating mothers?

Answer by DrLact: About Byetta usage in lactation

No information is available on the clinical use of Byetta during breastfeeding. Because Byetta is a large peptide molecule with a molecular weight of 4187 daltons, the amount in milk is likely to be very low and absorption is unlikely because it is probably destroyed in the infant's gastrointestinal tract. It has a short half-life, which might make it a better choice among drugs in this class for nursing mothers. Until more data become available, Byetta should be used with caution during breastfeeding, especially while nursing a newborn or preterm infant.
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