There are a number of side effects associated with Toprol-XL®. Slow heart rate, tiredness, dizziness, and unexplained rash are among some of the more common side effects of Toprol-XL. Less common side effects of the medication include such things as arthritis, low blood sugar, and ringing of the ears. While most side effects of Toprol-XL are minor, there is a chance that more serious health problems may occur with the drug. If you have difficulty breathing, unexplained weight gain, or chest pain with Toprol-XL, contact your healthcare provider.
(For more information, see the full eMedTV article concerning Side Effects of Toprol-XL. The complete article on this topic features a more in-depth discussion of side effects that may occur with Toprol-XL that covers common and rare side effects of the drug.)