Drug interactions
Losartan + Selexipag
Severity: Moderate
Losartan and Selexipag: moderate interaction.
Last updated
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Summary
Selexipag is cleared by CYP2C8 to its active metabolite, and inhibitors of this enzyme may increase exposure. Higher exposure may cause more headache, diarrhea, jaw pain, and hypotension.
What this interaction means in plain words
Losartan and Selexipag can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Losartan belongs to Cardiovascular; Selexipag belongs to Cardiovascular.
Why it happens
Possible inhibition of CYP2C8-mediated selexipag metabolism.
What to do
Monitor for prostacyclin-related adverse effects and blood pressure. Follow selexipag labeling on dosing frequency with moderate CYP2C8 inhibitors.
What to ask your pharmacist
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
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Other interactions of Losartan
- Aliskiren + Losartan Contraindicated
- Losartan + Sparsentan Contraindicated
- Amifostine + Losartan Major
- Amiloride + Losartan Major
- Amlodipine-benazepril + Losartan Major
- Amlodipine-hydrochlorothiazide-valsartan + Losartan Major
Other interactions of Selexipag
- Gemfibrozil + Selexipag Contraindicated
- Abiraterone + Selexipag Moderate
- Apalutamide + Selexipag Moderate
- Carbamazepine + Selexipag Moderate
- Clopidogrel + Selexipag Moderate
- Cyclosporin + Selexipag Moderate
Frequently asked questions
Can I take Losartan with Selexipag?
MediHelp rates the interaction as moderate. Losartan and Selexipag can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Selexipag is cleared by CYP2C8 to its active metabolite, and inhibitors of this enzyme may increase exposure. Higher exposure may cause more headache, diarrhea, jaw pain, and hypotension.
How serious is the interaction between Losartan and Selexipag?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor for prostacyclin-related adverse effects and blood pressure. Follow selexipag labeling on dosing frequency with moderate CYP2C8 inhibitors.
What other medicines interact with Losartan?
MediHelp also lists interactions of Losartan with, for example, Aliskiren, Sparsentan, Amifostine. The full list is on the Losartan page.
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