What the FDA labels say about taking them together
Disopyramide and nevirapine
Nevirapine's FDA label of July 15, 2026 names disopyramide in its drug interactions section; the disopyramide label PlainMeds reads does not name nevirapine. The nevirapine label: “Antiarrhythmics: Amiodarone, disopyramide, lidocaine Plasma concentrations may be decreased.”
Check it at the source: the disopyramide FDA label on DailyMed (effective August 24, 2026, Pfizer Laboratories Div Pfizer Inc); the nevirapine FDA label on DailyMed (effective July 15, 2026, Mylan Pharmaceuticals Inc.).
What does the disopyramide label say about nevirapine?
Disopyramide's label (effective August 24, 2026) does not name nevirapine 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
What does the nevirapine label say about disopyramide?
Nevirapine label, drug interactionsAntiarrhythmics: Amiodarone, disopyramide, lidocaine Plasma concentrations may be decreased.
Source: FDA drug label (Nevirapine), Mylan Pharmaceuticals Inc., effective July 15, 2026 (SPL set c6e93829-7024-48f6-8023-da6ff27dfc0a), 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
| Disopyramide | Nevirapine | |
|---|---|---|
| Labeled for | n/a | HIV |
| Boxed warning | Yes | Yes |
| Pharmacy cost (NADAC) | $0.801 per capsule 100 mg capsule | $0.147 per tablet 200 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