Are you considering switching from Ponvory (ponesimod) to Tecfidera (dimethyl fumarate)?
Switching between disease-modifying therapies is common in MS care. Both medications work differently - Ponvory is an S1P receptor modulator that traps immune cells in lymph nodes, while Tecfidera is an oral fumarate with a different Show Full Answer
Are you considering switching from Ponvory (ponesimod) to Tecfidera (dimethyl fumarate)?
Switching between disease-modifying therapies is common in MS care. Both medications work differently - Ponvory is an S1P receptor modulator that traps immune cells in lymph nodes, while Tecfidera is an oral fumarate with a different mechanism of action.
When switching MS medications, your neurologist will likely consider a "washout period" to allow Ponvory to clear your system before starting Tecfidera. This helps reduce potential risks from overlapping medications.
Important considerations when switching:
* Your doctor will monitor you closely during the transition
* There may be a temporary gap between stopping one medication and starting another
* You might experience MS activity during the switch, so watch for new or worsening symptoms
* Each medication has different side effects - Tecfidera commonly causes flushing and gastrointestinal issues
Many MyMSTeam members have switched DMTs successfully. Taking Tecfidera with high-fat foods and using aspirin 30-60 minutes beforehand can help manage flushing.
Talk with your neurologist about the best transition plan for your specific situation, including timing and monitoring during the switch.
December 1, 2025
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