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Dosage Strength and Efficacy

Trust in 4 dosage strengths to suit your patient’s needs

TOPROL-XL (metoprolol succinate) is available in 4 dosage strengths—25 mg, 50 mg, 100 mg, and 200 mg.

TOPROL-XL Dosage

 

Have confidence in proven efficacy across all 4 doses4

Reduction in SiDBP* and SiSBP† with once-daily TOPROL-XL4

Reduction in SiDBP* and SiSBP† with once-daily TOPROL-XL

Results from a US multicenter, randomized, double-blind, placebo-controlled, parallel-group, unbalanced factorial study. In part, it evaluated the antihypertensive efficacy and the safety of once-daily dosing with extended-release metoprolol succinate monotherapy and placebo in adult patients with newly diagnosed or treated essential hypertension.4

Mean baseline SiDBP 100 mm Hg and mean baseline SiSBP 151 mm Hg

 

*SiDBP=sitting diastolic blood pressure.

†SiSBP=sitting systolic blood pressure.

‡For each dose vs placebo.

  • In hypertension, initiate with 25 mg to 100 mg once daily. Increase at a weekly or longer interval to optimize clinical response. Dosages above 400 mg per day have not been studied1

Safety and Side Effects

3035818 Last Updated 11/14

Important Safety Information for TOPROL-XL®

INDICATIONS AND USAGE

TOPROL-XL® (metoprolol succinate) is a beta-adrenergic blocker indicated for the treatment of:

  • Hypertension, to lower blood pressure. Lowering blood pressure reduces the risk of fatal and non-fatal cardiovascular events, primarily strokes and myocardial infarctions.
  • Angina Pectoris
  • Heart Failure, to reduce the risk of cardiovascular mortality and heart failure hospitalizations in patients with heart failure
IMPORTANT SAFETY INFORMATION

Contraindications

  • Known hypersensitivity to product components.
  • Severe bradycardia: Greater than first degree heart block, or sick sinus syndrome without a pacemaker.
  • Cardiogenic shock or decompensated heart failure.

Warnings and Precautions

  • Abrupt cessation may exacerbate angina pectoris or myocardial ischemia. Reduce dosage gradually over a period of 1 to 2 weeks and monitor the patient. Warn patients not to discontinue without their physician's advice.
  • Heart Failure: Worsening cardiac failure may occur during up-titration.
  • Bronchospastic Disease: Avoid beta blockers.
  • Bradycardia, including sinus pause, heart block, and cardiac arrest have occurred with the use of TOPROL-XL. Patients with first-degree atrioventricular block, sinus node dysfunction, conduction disorders (including Wolff- Parkinson-White) or on concomitant drugs that cause bradycardia (digitalis glycosides, clonidine, and diltiazem and verapamil) may be at increased risk. Monitor heart rate.
  • Pheochromocytoma: Initiate therapy with an alpha blocker.
  • Major Surgery: Avoid initiation of high-dose extended-release metoprolol in patients undergoing noncardiac surgery. Do not routinely withdraw chronic beta blocker therapy prior to surgery.
  • Diabetes and Hypoglycemia: May mask tachycardia occurring with hypoglycemia.
  • Thyrotoxicosis: Abrupt withdrawal in patients with thyrotoxicosis might precipitate a thyroid storm.
  • Peripheral Vascular Disease: Can precipitate or aggravate symptoms of arterial insufficiency.
  • Patients may be unresponsive to the usual doses of epinephrine used to treat an allergic reaction.

Adverse Reactions

Most common adverse reactions: tiredness, dizziness, depression, shortness of breath, bradycardia, hypotension, diarrhea, pruritus, rash.

Drug Interactions

  • Catecholamine-depleting drugs may have an additive effect when given with beta-blocking agents.
  • CYP2D6 Inhibitors are likely to increase metoprolol concentration.
  • Beta-blockers including metoprolol, may exacerbate the rebound hypertension that can follow the withdrawal of clonidine.

Use in Specific Populations

Hepatic Impairment: Consider initiating TOPROL-XL therapy at low doses and gradually increase dosage to optimize therapy, while monitoring closely for adverse events.

 

Click here for full Prescribing Information for TOPROL-XL.

You are encouraged to report negative side effects of prescription drugs to the FDA.

Visit www.FDA.gov/medwatch or call 1-800-FDA-1088.
References
  1. Papademetriou V, Hainer JW, Sugg J, Munzer D, for the ATTACH Study Group. Factorial antihypertensive study of an extended-release metoprolol and hydrochlorothiazaide combination. Am J Hypertens. 2006;10(12):1217-1225.