What the FDA labels say about taking them together
Quinidine and ubrogepant
Ubrogepant's FDA label of June 5, 2025 names quinidine in its drug interactions section; the quinidine label PlainMeds reads does not name ubrogepant. The ubrogepant label: “Use of BCRP and/or P-gp only inhibitors may increase the exposure of ubrogepant [ s ee Clinical Pharmacology ].”
Check it at the source: the quinidine FDA label on DailyMed (effective February 1, 2018, Sun Pharmaceutical Industries, Inc.); the ubrogepant FDA label on DailyMed (effective June 5, 2025, Allergan, Inc.).
What does the quinidine label say about ubrogepant?
Quinidine's label (effective February 1, 2018) does not name ubrogepant in these sections. A label lists what its studies and reports found; it is not a complete list.
Source: FDA drug label (Quinidine Gluconate), Sun Pharmaceutical Industries, Inc., effective February 1, 2018 (SPL set 5023f053-fcc4-4c2c-aa59-9ec198ad185e), via openFDA; the full label on DailyMed
What does the ubrogepant label say about quinidine?
Ubrogepant label, drug interactionsUse of BCRP and/or P-gp only inhibitors (e.g., quinidine, carvedilol, eltrombopag, curcumin) may increase the exposure of ubrogepant [ s ee Clinical Pharmacology ( 12.3 ) ].
Source: FDA drug label (UBRELVY), NDA211765 (Abbvie), as published by Allergan, Inc., effective June 5, 2025 (SPL set fd9f9458-fd96-4688-be3f-f77b3d1af6ab), 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
| Quinidine | Ubrogepant | |
|---|---|---|
| Labeled for | Atrial fibrillation | Migraine |
| Boxed warning | Yes | No |
| Pharmacy cost (NADAC) | $4.92 per tablet 324 mg tablet | $109.11 per tablet 100 mg tablet |
| Shortage now | No current entry | 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