TAMBOCOR TM (flecainide acetate) is an antiarrhythmic drug available in tablets of 50, 100 or 150 mg for oral administration.

Flecainide acetate is benzamide, N-(2-piperidinylmethyl)-2,5-bis(2,2,2-trifluoroethoxy)-monoacetate.

Flecainide acetate is a white crystalline substance with a pK a of 9.3. It has an aqueous solubility of 48.4 mg/mL at 37°C.

TAMBOCOR tablets also contain: croscarmellose sodium, hydrogenated vegetable oil, magnesium stearate, microcrystalline cellulose and starch.