What the FDA labels say about taking them together
Nebivolol and quinidine
Nebivolol's FDA label of August 1, 2024 names quinidine in its drug interactions section; the quinidine label PlainMeds reads does not name nebivolol.
Check it at the source: the nebivolol FDA label on DailyMed (effective August 1, 2024, Allergan, Inc.); the quinidine FDA label on DailyMed (effective February 1, 2018, Sun Pharmaceutical Industries, Inc.).
What does the nebivolol label say about quinidine?
Nebivolol label, drug interactionsUse caution when BYSTOLIC is co-administered with CYP2D6 inhibitors (quinidine, propafenone, fluoxetine, paroxetine, etc.) [see Clinical Pharmacology ( 12.5 )].
Source: FDA drug label (Bystolic), Allergan, Inc., effective August 1, 2024 (SPL set 8b8ad213-1dc8-454e-a524-075685c0e1a8), via openFDA; the full label on DailyMed
What does the quinidine label say about nebivolol?
Quinidine's label (effective February 1, 2018) does not name nebivolol 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
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
| Nebivolol | Quinidine | |
|---|---|---|
| Labeled for | High blood pressure | Atrial fibrillation |
| Boxed warning | No | Yes |
| Pharmacy cost (NADAC) | $0.141 per tablet 10 mg tablet | $4.92 per tablet 324 mg tablet |
| Shortage now | A presentation being discontinued | 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