Quinidine Extended Release Tablets

Generic name: quinidine sulfate
Dosage form: tablet, film coated, extended release
Drug class:Group I antiarrhythmics

Medically reviewed by Drugs.com. Last updated on Dec 22, 2021.

Quinidine Extended Release Tablets Description

Quinidine is an antimalarial schizonticide and an antiarrhythmic agent with Class Ia activity; it is the d-isomer of quinine, and its molecular weight is 324.43. Quinidine sulfate is the sulfate salt of quinidine; its chemical name is cinchonan-9-ol, 6’-methoxy-, ( 9S)-, sulfate (2:1) (salt) dihydrate; its molecular weight is 782.94, of which 82.9% is quinidine base; and it has the following structural formula:

(C 20H24N2O2)2•H2SO4•2H2O M.W. 782.94

Each Quinidine Sulfate Extended-release Tablet contains 300 mg of quinidine sulfate (249 mg of quinidine base) in a formulation to provide e...