What the FDA labels say about taking them together
Fentanyl and vortioxetine
Vortioxetine's FDA label of March 5, 2025 names fentanyl in its warnings and precautions section; the fentanyl labels PlainMeds reads (2) do not name vortioxetine. The vortioxetine label: “The risk is increased with concomitant use of other serotonergic drugs and with drugs that impair metabolism of serotonin, i.e., MAOIs.”
Check it at the source: the fentanyl FDA label on DailyMed (effective March 6, 2026, Hikma Pharmaceuticals USA Inc.); the vortioxetine FDA label on DailyMed (effective March 5, 2025, Takeda Pharmaceuticals America, Inc.).
What does the fentanyl label say about vortioxetine?
Fentanyl's label (effective March 6, 2026) and its 1 other brand-application label do not name vortioxetine in these sections. A label lists what its studies and reports found; it is not a complete list.
Source: FDA drug label (Fentanyl Citrate), Hikma Pharmaceuticals USA Inc., effective March 6, 2026 (SPL set ce5db1c2-feb1-4ad2-847a-d02e865bd47e), via openFDA; the full label on DailyMed
What does the vortioxetine label say about fentanyl?
Vortioxetine label, warnings and precautionsThe risk is increased with concomitant use of other serotonergic drugs (including triptans, tricyclic antidepressants, fentanyl, lithium, tramadol, tryptophan, meperidine, methadone, buspirone, amphetamines, and St. John's Wort) and with drugs that impair metabolism of serotonin, i.e., MAOIs [see Contraindications (4), Drug Interactions (7.1) ].
Source: FDA drug label (Trintellix), Takeda Pharmaceuticals America, Inc., effective March 5, 2025 (SPL set 1a5b68e2-14d0-419d-9ec6-1ca97145e838), via openFDA; the full label on DailyMed
These are the labels' own sentences. PlainMeds does not grade interactions; a pharmacist or prescriber can say what they mean for one person's medicines.
Both medicines on the record
| Fentanyl | Vortioxetine | |
|---|---|---|
| Labeled for | Pain | Depression |
| Boxed warning | Yes | Yes |
| Pharmacy cost (NADAC) | $1.79 per mL 100 mcg/2 mL vial | $17.20 per tablet 10 mg tablet |
| Shortage now | In shortage | No current entry |
Source: FDA NDC Directory, CMS NADAC of October 7, 2026 and the FDA Drug Shortage Database (FDA files October 8, 2026)
What next?
- Check more medicines together
- up to five at once