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Tag: Pml risk

Explore our medication guides and pharmacology articles within this category.

Understanding What Is the Washout Period for Tysabri?

4 min read
According to MyMSTeam, the general guideline for a Tysabri (natalizumab) washout period is typically one to three months when switching to another disease-modifying therapy. Determining the optimal length of this period requires a careful balance between managing the risk of a rare brain infection called progressive multifocal leukoencephalopathy (PML) and preventing a relapse of the underlying condition.