Sumatriptan has 21 known drug interactions based on U.S. FDA drug labeling data. Of these, 10 are contraindicated combinations that should be avoided entirely. 7 are classified as major interactions requiring close medical supervision. Notable interactions include combinations with 5-Ht1b/1d Agonists (Triptans), Dihydroergotamine, Dihydroergotamine Mesylate. Patients taking Sumatriptan should inform their healthcare provider of all current medications — including over-the-counter drugs and supplements — to avoid potentially harmful combinations. Data sourced from OpenFDA and the NIH National Library of Medicine.
- Total
- 21
- Contraindicated
- 10
- Major
- 7
- Moderate
- 4
Contraindicated (10)
- Sumatriptan + 5-Ht1b/1d Agonists (Triptans)— Coadministration of triptans with sumatriptan may have additive vasospastic effects. Use within 24 hours is contraindica…
- Sumatriptan + Dihydroergotamine— Ergot-type medication causing prolonged vasospastic reactions with additive effects. Use within 24 hours of sumatriptan …
- Sumatriptan + Dihydroergotamine Mesylate— Should not be taken within 24 hours of each other; both cause coronary artery vasospasm with additive effects.
- Sumatriptan + Ergotamine— Ergotamine-containing drugs cause prolonged vasospastic reactions that may be additive with sumatriptan. Use within 24 h…
- Sumatriptan + Mao Inhibitors— MAO-A inhibitors increase systemic exposure of sumatriptan 7-fold. Use of sumatriptan in patients receiving MAO-A inhibi…
- Sumatriptan + Methysergide— Ergot-type medication causing prolonged vasospastic reactions with additive effects. Use within 24 hours of sumatriptan …
- Sumatriptan + Naratriptan— 5-HT1B/1D agonist; concomitant use with naratriptan within 24 hours is contraindicated due to additive vasospastic react…
- Sumatriptan + Other 5-Ht1 Agonists— Coadministration of sumatriptan and other 5-HT1 agonists (triptans) within 24 hours is contraindicated due to additive v…
- Sumatriptan + Rizatriptan Benzoate— Other 5-HT1 agonists have additive vasospastic effects. Co-administration within 24 hours is contraindicated.
- Sumatriptan + Triptans— Other 5-HT1 agonists (triptans) have additive vasospastic effects with sumatriptan. Coadministration within 24 hours of …
Major (7)
- Sumatriptan + Bromocriptine Mesylate— Selective 5-HT1B agonists should be avoided with bromocriptine due to limited safety data. Concurrent use not recommende…
- Sumatriptan + Escitalopram— Postmarketing reports describe weakness, hyperreflexia, and incoordination with concurrent SSRI and sumatriptan use, con…
- Sumatriptan + Escitalopram Oxalate— Postmarketing reports describe weakness, hyperreflexia, and incoordination following concomitant use. Appropriate patien…
- Sumatriptan + Fluvoxamine Maleate— Rare postmarketing reports of weakness, hyperreflexia, and incoordination following use with SSRI.
- Sumatriptan + Mirtazapine— Triptan that increases risk of serotonin syndrome with mirtazapine. Monitor for symptoms during initiation and dose incr…
- Sumatriptan + Selective Serotonin Reuptake Inhibitors (Ssri)— Cases of serotonin syndrome reported during coadministration of sumatriptan and SSRIs. Monitor for serotonin syndrome sy…
- Sumatriptan + Tcas— Serotonin syndrome cases reported during coadministration of sumatriptan and tricyclic antidepressants. Monitor for sero…
Moderate (4)
- Sumatriptan + Butorphanol Tartrate— Butorphanol pharmacokinetics significantly altered when administered 1 minute after sumatriptan nasal spray (29% AUC dec…
- Sumatriptan + Citalopram— Triptans increase risk of serotonin syndrome when used with citalopram. Monitor for signs and symptoms of serotonin synd…
- Sumatriptan + Citalopram Hydrobromide— Triptans increase risk of serotonin syndrome when used concomitantly with citalopram. Monitor for signs and symptoms of …
- Sumatriptan + Sertraline Hydrochloride— Triptan that increases risk of serotonin syndrome. Monitor for signs and symptoms during treatment initiation and dosage…