What the FDA labels say about taking them together
Betaxolol and disopyramide
Betaxolol's FDA label of December 20, 2023 names disopyramide in its drug interactions section; the disopyramide label PlainMeds reads does not name betaxolol.
Check it at the source: the betaxolol FDA label on DailyMed (effective December 20, 2023, Epic Pharma LLC); the disopyramide FDA label on DailyMed (effective August 24, 2026, Pfizer Laboratories Div Pfizer Inc).
What does the betaxolol label say about disopyramide?
Betaxolol label, drug interactionsDisopyramide has been associated with severe bradycardia, asystole and heart failure when administered with beta blockers.
Source: FDA drug label (Betaxolol), Epic Pharma LLC, effective December 20, 2023 (SPL set bf716efe-0a9f-43b1-9d8a-c69330b82e18), via openFDA; the full label on DailyMed
What does the disopyramide label say about betaxolol?
Disopyramide's label (effective August 24, 2026) does not name betaxolol in these sections. A label lists what its studies and reports found; it is not a complete list.
Source: FDA drug label (Norpace), Pfizer Laboratories Div Pfizer Inc, effective August 24, 2026 (SPL set e2aa1642-d262-4520-bc6a-9fd3ad795677), 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
| Betaxolol | Disopyramide | |
|---|---|---|
| Labeled for | High blood pressure, Glaucoma | n/a |
| Boxed warning | No | Yes |
| Pharmacy cost (NADAC) | $0.591 per tablet 10 mg tablet | $0.801 per capsule 100 mg capsule |
| Shortage now | No current entry | A presentation being discontinued |
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