| Drug |
Dosage Regimen |
Drug Interactions |
Acebutolol (Sectral ®) |
Oral: 400-800 mg/day
Maximum 1200 mg/day |
Alpha blockers – increased risk of low pressure upon standing
Clonidine - hypertensive crisis upon drug withdrawal |
Atenolol (Tenormin ®) |
Oral: 50 mg once daily; may increase to 100 mg/day |
Alpha blockers – increased risk of low pressure upon standing
Clonidine - hypertensive crisis upon drug withdrawal
Salicylates - may reduce anti-hypertensive effects of beta-blockers |
Betaxolol (Betoptic®; Kerlone ®) |
Oral: 10 mg/day; may increase up to 20 mg/day after 7-14 days in order to obtain desired response |
Alpha blockers – increased risk of low pressure upon standing
Clonidine - hypertensive crisis upon drug withdrawal
Salicylates-may reduce anti-hypertensive effects of beta-blockers |
Bisoprolol (Zebeta ™) |
Oral: 5 mg once daily; may increase to 10 to 20 mg, daily, if necessary |
Alpha blockers – increased risk of low pressure upon standing
Clonidine - hypertensive crisis upon drug withdrawal
Salicylates-may reduce anti-hypertensive effects of beta-blockers |
Carteolol (Cartrol ®) |
Oral: 2.5 mg as a single daily dose
Maintenance dose-normally 2.5-5 mg once daily |
Alpha blockers – increased risk of low pressure upon standing
Clonidine - hypertensive crisis upon drug withdrawal
Salicylates-may reduce anti-hypertensive effects of beta-blockers |
Carvedilol (Coreg®) |
Oral: 6.25 mg twice daily; |
Alpha blockers – increased risk of low pressure upon standing
Clonidine - hypertensive crisis upon drug withdrawal
Increased cyclosporine levels in the blood
Salicylates - may reduce anti-hypertensive effects of beta-blockers |
Labetalol (Trandate®, Normodyne®) |
Oral: 100 mg twice daily; may be increased as needed every 2-3 days by 100 mg until desired response achieved; usual dosage-200-400 mg twice daily |
Alpha blockers – increased risk of low pressure upon standing
Clonidine - hypertensive crisis upon drug withdrawal
Cimetidine – increased blood levels of labetalol
Halothane anesthesia - excessive low blood pressure may occur
Sulfonylurea hypoglycemic drugs – beta-blockers may mask low blood sugar
Salicilyates -may reduce antihypertensive effects of beta-blockers |
(Metoprolol
Lopressor®) |
Oral: 100-450 mg/day in 2-3 divided doses; begin with 50 mg twice daily and increase doses weekly to desired effect |
Alpha blockers – increased risk of low pressure upon standing
Clonidine - hypertensive crisis upon drug withdrawal
Sulfonylurea hypoglycemic drugs - beta-blockers may mask low blood sugar |
|
Nadolol (Corgard®) |
Oral: Initial-40 mg/day; increase dosage gradually by 40-80 mg increments at 3-7 day intervals until desired effect is achieved |
Albuterol - effects may be blocked by beta-blockers
Alpha blockers – increased risk of low pressure upon standing
Clonidine - hypertensive crisis upon drug withdrawal
Sulfonylurea hypoglycemic drugs - beta-blockers may mask low blood sugar |
Penbutolol (Levatol®) |
Oral:
Angina pectoris:
10-40 mg once dailyHypertension:usual dose-20 mg once daily; higher doses (40-80 mg) have not demonstrated greater effectiveness |
Clonidine - hypertensive crisis upon drug withdrawal
Verapamil - may cause low blood pressure and slow heart rate |
Pindolol (Visken®) |
Oral:
Initial-5 mg twice daily; increase as necessary by 10 mg/day every 3-4 weeks
Maximum daily dosage- 60 mg/day |
Albuterol-Its effects may be blocked by beta-blockers
Alpha blockers – increased risk of low pressure upon standing
Clonidine - hypertensive crisis upon drug withdrawal
Sulfonylurea hypoglycemic drugs - beta-blockers may mask low blood sugar
Epinephrine-pindolol may cause hypertension |
Propranolol (Inderal®, various) |
Oral: Initial-40 mg twice daily; increase dosage every 3-7 days; usual dose is less than or equal to 320 mg divided in 2-3 doses/day; Maximum daily dose-640 mg/day |
Albuterol-Its effects may be blocked by beta-blockers
Reserpine-increases the effects of propranolol
Sulfonylurea hypoglycemic drugs - beta-blockers may mask low blood sugar |
Propranolol long-acting (Inderal-LA®) |
Sotalol (Betaspace®) |
Oral: Initial-80 mg twice daily; dose may be increased gradually to 240-320 mg/day |
Antacids(aluminum & magnesium)-decrease sotalol levels in the blood
Clonidine - hypertensive crisis upon drug withdrawal |
Timolol (Biocadren®) |
Oral:
Initial-10 mg twice daily; increase gradually every 7 days; usual dosage=20-40 mg/day in 2 divided doses
Maximum dosage-60 mg/day |
Sulfonylurea hypoglycemic drugs - beta-blockers may mask low blood sugar |