Medicines labeled for the same conditions
Alternatives to quinidine
3 other medicines are given the same way (oral) and in the same FDA class as quinidine or labeled mainly for the same use (atrial fibrillation); 3 are in its class, cytochrome p450 2d6 inhibitors: sotalol, propafenone and dofetilide (FDA labels read October 8, 2026). In the same class, the lowest pharmacy cost is $0.0707 per sotalol 80 mg tablet (what pharmacies paid in the NADAC survey; strengths differ).
Which medicines are labeled for the same conditions as quinidine?
Atrial fibrillation lists all 17 medicines labeled for it, by any route. Each row shows the conditions both labels name. They are listed as public records, not as substitutes: whether one can replace another depends on the person and is a prescriber's decision.
| Medicine and FDA class | Shared indication | Generic labelers (oral) | Pharmacy cost | Boxed warning | Shortage |
|---|---|---|---|---|---|
| Quinidinecytochrome p450 2d6 inhibitor | this medicine | 4 labelers | $4.92 per tablet 324 mg tablet | Yes | No current entry |
| Sotalolantiarrhythmic · same class | Atrial fibrillation | 18 labelers | $0.0707 per tablet 80 mg tablet | Yes | No current entry |
| Propafenoneantiarrhythmic · same class | Atrial fibrillation | 14 labelers | $0.115 per tablet 150 mg tablet | Yes | No current entry |
| Dofetilideantiarrhythmic · same class | Atrial fibrillation | 12 labelers | $0.203 per capsule 125 mcg capsule | Yes | No current entry |
Source: FDA drug labels (indications) via openFDA; FDA NDC Directory; CMS NADAC of October 7, 2026; FDA Drug Shortage Database (FDA files October 8, 2026)
What do pharmacies pay for each?
The headline NADAC price per unit of each medicine's most widely listed form; strengths differ, so compare like with like on each record.
Source: CMS National Average Drug Acquisition Cost (NADAC) survey, October 7, 2026: what retail pharmacies paid per unit; not a counter price
What next?
- Quinidine: the full record
- label, generics, price, shortages, recalls