Dihydroergotamine and Sumatriptan and naproxen interaction
Dihydroergotamine and Sumatriptan and naproxen: 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 Dihydroergotamine (Dihydroergotamine Mesylate) label · effective 2026-05-26
Dihydroergotamine Mesylate Injection, USP, 5-HT 1 agonists (e.g., sumatriptan), ergotamine-containing or ergot-type medications or methysergide should not be used within 24 hours of each other.
Sumatriptan and Dihydroergotamine Mesylate Injection, USP should not be taken within 24 hours of each other (see CONTRAINDICATIONS ).
Sumatriptan Sumatriptan has been reported to cause coronary artery vasospasm, and its effect could be additive with Dihydroergotamine Mesylate Injection, USP.
Medication Overuse Headache Overuse of acute migraine drugs (e.g., ergotamines, triptans, opioids, or a combination of these drugs for 10 or more days per month) may lead to exacerbation of headache (i.e., medication overuse headache).
From the Sumatriptan and naproxen (Sumatriptan and Naproxen Sodium) label · effective 2025-10-30
Recent use (i.e., within 24 hours) of ergotamine-containing medication, ergot-type medication (such as dihydroergotamine or methysergide), or another 5-hydroxytryptamine1 (5-HT1) agonist [see Drug Interactions (7)].
Intervention: Because these effects may be additive, coadministration of sumatriptan and naproxen sodium tablets and ergotamine-containing or ergot-type medications (like dihydroergotamine or methysergide) within 24 hours of each other is contraindicated.
Recent (within 24 hours) use of another 5-HT1 agonist (e.g., another triptan) or of ergotamine-containing medication.
Clinically Significant Drug Interactions with Naproxen or Sumatriptan Ergot-Containing Drugs Clinical Impact: Ergot-containing drugs have been reported to cause prolonged vasospastic reactions.
Medication Overuse Headache Overuse of acute migraine drugs (e.g., ergotamine, triptans, opioids, or a combination of these drugs for 10 or more days per month) may lead to exacerbation of headache (medication overuse headache).
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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.