The average cost for 90 tablets of 200mg of Quinidine Sulfate is $343.36 with a free GoodRx coupon. This is 74.54% off the average retail price of $1,348.73.
TabletTypical dosage for Quinidine Sulfate
For all of the following uses, your provider will need to closely monitor your heart rhythm, heart rate, and blood pressure, and will adjust the dose based on rhythm changes and/or side effects.
Treatment of atrial fibrillation or flutter:
- Quinidine sulfate tablets: A typical dose is 400 mg by mouth every 6 hours.
- Quinidine gluconate extended-release tablets: A typical dose is 648 mg by mouth every 8 hours. Your provider may have you try a lower dose of 324 mg every 8 hours for 2 days, then 648 mg every 12 hours for 2 days, then 648 mg every 8 hours for up to 4 days.
Prevention of atrial fibrillation, atrial flutter, or ventricular arrhythmias:
- Quinidine sulfate tablets: A typical starting dose is 200 mg by mouth every 6 hours.
- Quinidine gluconate extended-release tablets: A typical dose is 324 mg by mouth every 8 to 12 hours.
Other Quinidine Sulfate articles
Why trust our experts?
Reviewed by:
Aileen Chu, PharmD, BCPSAileen Chu, PharmD, has over 8 years of experience working as a clinical pharmacist in the emergency department. Chu is also a pharmacotherapeutics instructor at Point Loma Nazarene University.
Reviewed by:
Allison Gourley, PharmDAllison Gourley, PharmD, is a kidney and pancreas transplant pharmacist at a teaching hospital in the San Francisco Bay Area. When she’s not educating patients about their immunosuppressants, she's actively involved in transplant research.
