Toprol-XL® is indicated for the treatment of high blood pressure. By lowering blood pressure, Toprol-XL may lower the risk of fatal and non-fatal cardiovascular events, primarily strokes and myocardial infarctions. Toprol-XL is also indicated for the long-term treatment of angina pectoris, to reduce angina attacks and to improve exercise tolerance and for the treatment of stable, symptomatic (NYHA Class II or III) heart failure of ischemic, hypertensive, or cardiomyopathic origin.

Important Safety Information

Because of the possibility of serious side effects, such as chest pain or a heart attack, you should not stop taking Toprol-XL suddenly. If your doctor decides you should stop taking Toprol-XL, you may be instructed to slowly reduce your dose over a period of time before stopping it completely.

Toprol-XL may not be right for everyone, especially people who have the following health conditions:

  • Extreme slowing of the heart rate.
  • Sudden and severe drop in blood pressure and blood flow through the body because the heart is not pumping normally.
  • Uncontrolled heart failure.
  • Slowdown of the heart’s electrical signal causing a slower heart rate.
  • Damage to the heart’s natural pacemaker that affects the heart’s rhythm unless one has a pacemaker device.
  • Any allergies to Toprol-XL or its ingredients.

It is important to take your medications every day as directed by your doctor.

Patients who have asthma or asthma-like lung disease should, in general, not take Toprol-XL.

Your doctor may not want you to take Toprol-XL if you are currently taking certain types of high blood pressure medicine, or have adrenal gland tumors, diabetes, low blood sugar, liver damage, overactive thyroid disease, or hardening of the arteries in the arms or legs.

Your doctor may not want you to start taking Toprol-XL if you are about to have any type of surgery.

If you have a history of serious allergic reactions, the usual dose of epinephrine (adrenaline) may not work as well if you are taking Toprol-XL.

Until you know how you will react to Toprol-XL, avoid activities that require alertness.

Contact your doctor if you have any difficulty in breathing.

In patients with high blood pressure, the most common side effects were tiredness, dizziness, depression, diarrhea, itching or rash, shortness of breath, and slow heart rate. If you experience any of these or other side effects, contact your doctor.

The risk information provided here is not comprehensive. To learn more, talk about Toprol-XL with your pharmacist or other health care providers. The product information can be found at or 1-866-207-6592.

Call your doctor for medical advice about side effects. You are encouraged to report negative side effects of prescription drugs. To report suspected adverse events contact Aralez Pharmaceuticals at 1-866-207-6592 or FDA at 1-800-FDA-1088 or

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This product information is intended only for residents of the United States.