Zolmitriptan has 11 known drug interactions based on U.S. FDA drug labeling data. Of these, 8 are contraindicated combinations that should be avoided entirely. 2 are classified as major interactions requiring close medical supervision. Notable interactions include combinations with 5-Ht1b/1d Agonists, 5-Ht1b/1d Agonists (Triptans), Dihydroergotamine. Patients taking Zolmitriptan 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
- 11
- Contraindicated
- 8
- Major
- 2
- Moderate
- 1
Contraindicated (8)
- Zolmitriptan + 5-Ht1b/1d Agonists— Concomitant use of other 5-HT1B/1D agonists (including triptans) within 24 hours is contraindicated due to risk of addit…
- Zolmitriptan + 5-Ht1b/1d Agonists (Triptans)— Concomitant use of other 5-HT1B/1D agonists within 24 hours is contraindicated due to risk of additive vasospastic react…
- Zolmitriptan + Dihydroergotamine— Ergot-type medication causing prolonged vasospastic reactions. Use within 24 hours of zolmitriptan is contraindicated.
- Zolmitriptan + Ergotamine— Ergotamine-containing drugs cause prolonged vasospastic reactions that may be additive with zolmitriptan. Use within 24 …
- Zolmitriptan + Mao Inhibitors— MAO-A inhibitors increase systemic exposure of zolmitriptan and its active N-desmethyl metabolite. Concomitant use is co…
- Zolmitriptan + Methysergide— Ergot-type medication causing prolonged vasospastic reactions. Use within 24 hours of zolmitriptan is contraindicated.
- Zolmitriptan + Other 5-Ht1 Agonists— Concomitant use within 24 hours increases risk of additive vasospastic reactions. Use is contraindicated.
- Zolmitriptan + Triptans— Other 5-HT1B/1D agonists including triptans contraindicated within 24 hours due to risk of additive vasospastic reaction…
Major (2)
- Zolmitriptan + Cimetidine— Cimetidine doubles the half-life and AUC of zolmitriptan; maximum single dose must be limited to 2.5 mg, not exceeding 5…
- Zolmitriptan + Selective Serotonin Reuptake Inhibitors (Ssri)— SSRIs concomitantly used with zolmitriptan have caused life-threatening serotonin syndrome.
Moderate (1)
- Zolmitriptan + Propranolol Hydrochloride— CYP1A2 substrate/inhibitor that may increase propranolol levels; also propranolol increases zolmitriptan AUC by 56% and …