Betanol

Pack	Price	Details
Unit Price	৳ 137.00	Unit Price: ৳ 1.37 (10 x 10: ৳ 137.00)

Hypertension: The initial dose of Atenolol is 50 mg given as one tablet a day either alone or added to diuretic therapy. The full effect of this dose will usually be seen within one to two weeks. If an optimal response is not achieved, the dosage should be increased to Atenolol 100 mg given as one tablet a day. Increasing the dosage beyond 100 mg a day is unlikely to produce any further benefit.

Angina Pectoris: The initial dose of Atenolol is 50 mg given as one tablet a day. If an optimal response is not achieved within one week, the dosage should be increased to Atenolol 100 mg given as one tablet a day. Some patients may require a dosage of 200 mg once a day for optimal effect. Twenty-four hour control with once daily dosing is achieved by giving doses larger than necessary to achieve an immediate maximum effect. The maximum early effect on exercise tolerance occurs with doses of 50 to 100 mg, but at these doses the effect at 24 hours is attenuated, averaging about 50% to 75% of that observed with once a day oral doses of 200 mg.

Acute Myocardial Infarction: In patients with definite or suspected acute myocardial infarction, treatment with Atenolol I.V. Injection should be initiated as soon as possible after the patient's arrival in the hospital and after eligibility is established. Treatment should begin with the intravenous administration of 5 mg Atenolol over 5 minutes followed by another 5 mg intravenous injection 10 minutes later. In patients who tolerate the full intravenous dose (10 mg), Atenolol Tablets 50 mg should be initiated 10 minutes after the last intravenous dose followed by another 50 mg oral dose 12 hours later. Thereafter, Atenolol can be given orally either 100 mg once daily or 50 mg twice a day for a further 6-9 days or until discharge from the hospital. If bradycardia or hypotension requiring treatment or any other untoward effects occur, Atenolol should be discontinued.

In a series of investigations in the treatment of acute myocardial infarction, bradycardia and hypotension occurred more commonly, as expected for any beta blocker. In addition, a variety of adverse efects has been reported with other beta-adrenergic blocking agents, and may be considered potential adverse efects of Betanol.

• Hematologic: Agranulocytosis.
• Allergic: Fever, combined with aching and sore throat, laryngospasm, and respiratory distress.
• Central Nervous System: Reversible mental depression progressing to catatonia; an acute reversible syndrome characterized by disorientation of time and place; short term memory loss; emotional lability with slightly clouded sensorium; and, decreased performance on neuropsychometrics.
• Gastrointestinal: Mesenteric arterial thrombosis, ischemic colitis.
• Miscellaneous: There have been reports of skin rashes and/or dry eyes associated with the use of beta-adrenergic blocking drugs. Discontinuance of the drug should be considered if any such reaction is not otherwise explicable. Patients should be closely monitored following cessation of therapy.
• Other: Erythematous rash

Betanol is indicated-

• In the management of hypertension. It may be used alone or concomitantly with other antihypertensive agents, particularly with a thiazide-type diuretic.
• For the long-term management of patients with angina pectoris.
• In the management of hemodynamically stable patients with defnite or suspected acute myocardial infarction to reduce cardiovascular mortality.

The synthesis of atenolol resulted from attempts to produce a β-adrenoceptor antagonist that would competitively block β1 (cardiac) receptors but have no effect on β2-receptors. It is classified as a β1 selective (cardioselective) β-adrenergic receptor antagonist with no membranestability activity and no partial agonist activity. It is markedly the most hydrophilic of the currently available β- blockers and thus penetrates the lipid of cell membranes poorly

General: Patients already on a beta blocker must be evaluated carefully before Betanol is administered. Initial and subsequent Betanol dosages can be adjusted downward depending on clinical observations including pulse and blood pressure. Betanol may aggravate peripheral arterial circulatory disorders.

Impaired Renal Function: The drug should be used with caution in patients with impaired renal function.

Geriatric Use:

• Hypertension and Angina Pectoris: Due to Coronary Atherosclerosis: Dose selection for an elderly patient should be cautious, usually starting at the low end of the dosing range, reflecting the greater frequency of decreased hepatic, renal, or cardiac function, and of concomitant disease or other drug therapy.
• Acute Myocardial Infarction: Dose selection for an elderly patient should be cautious, usually starting at the low end of the dosing range, reflecting greater frequency of decreased hepatic, renal, or cardiac function, and of concomitant disease or other drug therapy. Evaluation of patients with hypertension or myocardial infarction should always include assessment of renal function.

Beta-adrenoceptor blocking drugs, Beta-blockers

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