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Indications - Diltiazem Hydrochloride sustained release tablet is indicated in the prophylaxis and treatment of angina pectoris. It is used in the management of classical and vasospastic angina pectoris. It has also been used in the treatment of essential hypertension. It is used for prophylaxis of some selected supraventricular tachyarrhythmias.

Dosage & Administration - Mild to moderate hypertension: initially 90 mg or 120 mg twice daily (elderly once daily); up to 360 mg daily may be required (elderly upto 240 mg) daily. Angina: initially 90 mg or 120 mg twice daily in divided doses may be required (elderly up to 240 mg daily).

Side Effects - Bradycardia, sino-atrial block, atrioventricular block, hypertension, malaise, headache, hot flushes, GIT disturbances, oedema, hepatitis and depression reported.

Contraindications - Diltiazem Hydrochloride sustained release tablet is contraindicated in patients with known hypersensitivity to the drug, sick sinus syndrome, second or third degree AV block, severe hypertension or acute myocardial infarction and rediographically documented pulmonary congestion.

Others - Pregnancy & Lactation There are no adequate and controlled studies to date with diltiazem in pregnant women, and the drug should be used during pregnancy only when the potential benefits justify the possible risk to the fetus. Because diltiazem is distributed into milk, women receiving the drug should not breastfeed their infants; an alternative method of infant feeding should be used if diltiazem therapy is considered necessary in nursing women.