ATEN 100

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Treatment of hypertension (high blood pressure); prevention/management of angina (chest pain) due to coronary artery disease; rate control in certain tachyarrhythmias (as prescribed).

Atenolol is a cardioselective beta-1 blocker. It reduces heart rate and the force of contraction, lowering cardiac output and blood pressure, and decreases the heart’s oxygen demand to relieve angina.

Tablet for oral use. Take exactly as prescribed, usually once daily, with or without food, at the same time each day. Do not stop abruptly; dose should be tapered under medical advice.

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

Do not stop suddenly (risk of rebound angina/MI). Use with caution in asthma/COPD (may cause bronchospasm), diabetes (may mask hypoglycaemia symptoms), peripheral vascular disease, psoriasis, myasthenia gravis, and in the elderly. Contraindicated/avoid in severe bradycardia, second/third-degree heart block, cardiogenic shock, uncontrolled heart failure unless stabilized. Monitor blood pressure and pulse; caution while driving if dizzy.

Verapamil,diltiazem,amiodarone,digoxin,clonidine (withdrawal issues),other antihypertensives/diuretics (additive hypotension),NSAIDs (may reduce BP-lowering effect),insulin/oral antidiabetics (masked hypoglycaemia),beta-agonist bronchodilators (reduced effect),MAO inhibitors (non-selective),anaesthetic agents