Lactation Safety Information

No alternative for stage of multiple sclerosis for which used
Limited published evidence shows variable levels in breast milk, ranging from undetectable to moderate.
The long half-life increases the risk of accumulation
Natalizumab is a very large protein molecule which is likely to be degraded in the infant’s gastro-intestinal tract. Very limited published evidence shows infant serum levels are undetectable.
As a precaution, the infant should be monitored for signs of infection, changes in feeding and poor weight gain.
Breastfeeding appears to have beneficial effects to a mother with multiple sclerosis
15 March 2022