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Extavia and Breastfeeding

The full risks of breastfeeding while using Extavia (interferon beta-1b) are currently unknown since no studies have been done on this topic. Since Extavia is a delicate protein that can be destroyed by the digestive system, problems are unlikely to occur even if it does pass through breast milk. Before taking this drug, breastfeeding women should consult their healthcare providers.

Is Extavia Safe While Breastfeeding?

Extavia® (interferon beta-1b) is a prescription medication approved for multiple sclerosis treatment. The manufacturer of the drug does not recommend that women breastfeed while taking it, due to the unknown risks. Therefore, it's important to talk with your healthcare provider if you take Extavia and are breastfeeding or thinking of starting.
 

What Does the Research Say?

No studies have been conducted on whether Extavia passes through breast milk. However, the drug is a delicate protein that cannot be taken by mouth. Instead, it must be taken by injection, since the digestive system would destroy the protein.
 
Therefore, even if Extavia passes through breast milk, it would probably be destroyed and, therefore, inactivated by the infant's digestive system. However, since no studies have been performed to test this, it is impossible to predict exactly what effects (if any) the drug may cause in a breastfed infant.
 
You and your healthcare provider must consider the benefits of Extavia to you, the benefits of breastfeeding for your baby, and the possible unknown risks the medicine presents to your baby.
 

Talking With Your Healthcare Provider

You should discuss breastfeeding and Extavia with your healthcare provider. Each woman's situation is different, and you and your healthcare provider understand your situation best. After considering what you want and expect, as well as your current health situation, the two of you can make a shared decision that is right for you.
 
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