These 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
Some side effects with metoprolol are potentially serious and should be reported immediately to your healthcare provider
Chest pain
Dizziness, lightheadedness, or fainting spells
Confusion
An irregular heartbeat (arrhythmia)
Signs of an allergic reaction, including:
Unexplained rash
Hives
Itching
Un