Can you take fingolimod while breastfeeding?
What LactMed says
The National Library of Medicine’s own summary, quoted in full. We do not write a verdict of our own on this question, and we do not compress theirs into a label.
Although fingolimod and its active metabolite are highly bound in maternal plasma and unlikely to reach the breastmilk in large amounts, it has a slow clearance and long half-life and is potentially toxic to the breastfed infant. Because there is no published experience with fingolimod during breastfeeding, expert opinion generally recommends that it should be avoided during breastfeeding, especially while nursing a newborn or preterm infant. However, the manufacturer's labeling does not recommend against its use in breastfeeding.
Quoted from Fingolimod — Drugs and Lactation Database (LactMed®), National Institute of Child Health and Human Development, revised January 15, 2026.
What LactMed would consider instead
LactMed ends this record by naming the drugs it would consider in place of fingolimod. Whether any of them fits depends on what you are treating — this is the database’s list, not a recommendation from us.
- Glatiramer
- Immune Globulin
- Interferon beta
- Methylprednisolone
- Natalizumab
- Ocrelizumab
- Ofatumumab
- Peginterferon beta
How much fingolimod gets into breastmilk
Maternal Levels. Relevant published information was not found as of the revision date.
Infant Levels. Relevant published information was not found as of the revision date.
What has been seen in breastfed infants
Relevant published information was not found as of the revision date.
Effects on milk supply
Relevant published information was not found as of the revision date.
Frequently asked questions
Can you take fingolimod while breastfeeding?
What the NIH's Drugs and Lactation Database says about Fingolimod while breastfeeding — quoted in full. The full record is quoted on this page, and the decision is one to make with the person who prescribed it — LactMed itself states it is not a substitute for professional judgement.
What can I take instead of fingolimod while breastfeeding?
LactMed lists Glatiramer, Immune Globulin, Interferon beta, Methylprednisolone, Natalizumab, Ocrelizumab, Ofatumumab, Peginterferon beta as alternate drugs to consider. That is the database's own list for this drug — whether any of them suits you depends on what you are treating.
Does fingolimod pass into breastmilk?
LactMed's measured drug levels for fingolimod are quoted in full on this page, under "How much gets into breastmilk".
Do I need to pump and dump after taking fingolimod?
LactMed does not frame its records that way — it reports measured drug levels in milk and what has been observed in breastfed infants, which is what this page quotes. "Pump and dump" advice for a specific drug and dose should come from your clinician or a pharmacist, not from a general rule.
More on fingolimod
LactMed states that the information it presents is not a substitute for professional judgement, and that you should consult your healthcare provider for breastfeeding advice related to your particular situation. Nothing on this page is medical advice.