Frovatriptan and Sumatriptan interaction
Frovatriptan and Sumatriptan: both prescribing labels flag this combination with the strongest language, such as a contraindication, a boxed warning, or an instruction to avoid it.
Do not combine without a prescriber's guidance. The label language below is the strongest FDA uses.
What the FDA labels say
From the Frovatriptan (FROVATRIPTAN SUCCINATE) label · effective 2026-06-27
5-HT 1B/1D Agonists Because their vasospastic effects may be additive, co-administration of frovatriptan succinate and other 5-HT 1 agonists (e.g., triptans) within 24 hours of each other is contraindicated [ see Contraindications (4) ].
From the Sumatriptan (IMITREX) label · effective 2025-12-09
• Recent (within 24 hours) use of another 5-HT 1 agonist (e.g., another triptan) or of an ergotamine-containing medication ( 4 )
Other 5-HT 1 Agonists Because their vasospastic effects may be additive, coadministration of IMITREX tablets and other 5‑HT 1 agonists (e.g., triptans) within 24 hours of each other is contraindicated.
Taking more than these two? Interactions stack. Check your whole list at once; it stays in your browser.
Open in the checkerNot medical advice. Interaction Checker quotes FDA label text and NIH fact sheets. Whether an interaction matters for you depends on doses, timing, kidney and liver function, and other conditions. Confirm with a pharmacist or prescriber.