Side Effects of Metoprolol Tartrate

Some common metoprolol tartrate side effects include tiredness, a slow heart rate, and dizziness. Most side effects are minor and require little or no treatment. However, there are some side effects with this medicine that you should let your healthcare provider know about right away. These include difficulty breathing or swallowing, unexplained swelling or weight gain, and chest pain.

Side Effects of Metoprolol Tartrate: An Introduction

As with any medicine, side effects can occur with metoprolol tartrate (Lopressor®). However, not everyone who takes the drug will experience problems. In fact, most people tolerate it well. If people do develop metoprolol tartrate side effects, they are generally minor and either require no treatment or can easily be treated by you or a healthcare provider. Serious side effects are less common.
 
(This article covers many, but not all, of the possible side effects with metoprolol tartrate. Your healthcare provider can discuss a more complete list of metoprolol tartrate side effects with you.)
 

Metoprolol Tartrate Side Effects to Report

Some side effects with metoprolol tartrate should be reported immediately to your healthcare provider.
 These serious side effects include but are not limited to:
 
  • Unexplained swelling or sudden weight gain (see Metoprolol and Weight Gain)
  • Chest pain
  • Dizziness, lightheadedness, or fainting spells
  • Confusion
  • An irregular heartbeat (arrhythmia)
  • Signs of an allergic reaction, including:
 
    • Unexplained rash
    • Hives
    • Itching
    • Unexplained swelling
    • Wheezing
    • Difficulty breathing or swallowing.
 

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(Side Effects of Metoprolol Tartrate Continued: Page 2)
Written by/reviewed by: Kristi Monson, PharmD; Arthur Schoenstadt, MD
Last reviewed by: Kristi Monson, PharmD;
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