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Treatment of hypertension (high blood pressure); prevention and management of angina pectoris; control of heart rate in certain tachyarrhythmias as prescribed; secondary prevention after myocardial infarction as advised by doctor.

Atenolol is a cardioselective beta-1 adrenergic blocker. It reduces heart rate and the force of contraction and lowers renin release, thereby decreasing blood pressure and myocardial oxygen demand.

Oral tablet. Take exactly as prescribed, usually once daily at the same time each day, with or without food. Swallow with water. Do not stop suddenly without medical advice; dose may need tapering.

Bradycardia (slow pulse),fatigue,dizziness,cold hands/feet,low blood pressure,nausea,headache,sleep disturbances

Use with caution in diabetes (may mask hypoglycaemia symptoms), asthma/COPD (may cause bronchospasm), peripheral vascular disease, and in patients with conduction disorders (AV block) or bradycardia. Do not stop abruptly due to risk of rebound hypertension/angina. Dose adjustment may be required in renal impairment. Monitor blood pressure and pulse regularly.

Calcium channel blockers (verapamil, diltiazem),digoxin,antiarrhythmics (amiodarone),clonidine (withdrawal interaction),other antihypertensives/diuretics,NSAIDs (may reduce BP-lowering effect),insulin and oral antidiabetics (mask hypoglycaemia),sympathomimetics (e.g., salbutamol)

Store at room temperature (below 25°C), protected from moisture and light. Keep out of reach of children.

Aten 25 Tablet,Tenormin 25 Tablet,Betacard 25 Tablet,Atenolol 25 mg Tablet (generic)