This is a combination medication categorized as a betablocker and diuretic that is prescribed to treat hypertension and heartrelated ailmentsIt operates in two manners Atenolol which is a betablocker reduces heart rate and alleviates the hearts burden while Chlorthalidone a diuretic aids in the elimination of excess salt and water resulting in lowered blood pressureAdhere to the recommended dosage and duration as instructed by your physician