10 Important Side Effects of Metoprolol
Metoprolol is a beta-blocker used for conditions such as high blood pressure, angina, and certain heart-rhythm problems. Many people tolerate it well, and some side effects improve as the body adjusts. nhs.uk+1
Possible side effects include:
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Tiredness or fatigue
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Dizziness or lightheadedness
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Slow heart rate (bradycardia)
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Low blood pressure, sometimes causing faintness
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Cold hands and feet
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Headache
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Nausea or stomach discomfort
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Diarrhea or constipation
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Shortness of breath, particularly in susceptible people
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Sleep problems or vivid dreams; mood changes such as depression have also been reported. nhs.uk+2
Important precautions
Metoprolol can mask some warning symptoms of low blood sugar, which is particularly important for people with diabetes. It can also interact with medicines such as verapamil, diltiazem, clonidine, and certain CYP2D6-inhibiting drugs, potentially increasing the risk of an excessively slow heart rate or other effects. DailyMed+1
Don’t stop metoprolol suddenly unless your clinician specifically tells you to. Abrupt withdrawal can worsen heart-related problems, including myocardial ischemia. DailyMed
Seek urgent medical attention for new/severe chest pain, severe breathing difficulty, fainting, or signs of a serious allergic reaction. nhs.uk
