Tenoren Plus 50 is a combination tablet containing Atenolol 50 mg and Chlorthalidone 25 mg, manufactured by ACI Limited. Atenolol is a cardioselective beta-blocker that reduces heart rate and blood pressure, while Chlorthalidone is a thiazide-like diuretic that helps eliminate excess salt and water from the body. Together, they effectively manage hypertension (high blood pressure) by addressing both cardiac output and fluid balance.