Significance

• According to FDA information published on RxList.com, the most common side effects of Toprol XL occur in 10 percent of patients or fewer.
  
  

Types

• Common side effects of Toprol XL include tiredness, dizziness, diarrhea, skin rashes, depression, shortness of breath and rapid heartbeat.
  
  

Time Frame

• Side effects of Topral typically are short in duration and gradually subside once the body becomes acclimated to the drug.
  
  

Risks

• Some patients develop a reversible form of dementia that includes disorientation, short-term memory loss and emotionality while taking Toprol XL. Inflammation of the liver or a shortage of blood platelets occur in some patients.
  
  

Considerations

• Patients with limited blood flow to the heart may experience serious angina or heart attacks if use of Toprol XL abruptly ceases. Because it has the potential to cause dizziness and drowsiness, you should not operate a motor vehicle or heavy machinery until you know how Toprol XL affects you.