Metoprolol: The Good, The Bad, and The UGLY – A Guide to Common Side Effects
Metoprolol is a beta-blocker commonly prescribed for high blood pressure, chest pain (angina), certain heart rhythm problems, and heart failure. It works by blocking some effects of adrenaline, which helps slow the heart rate and reduce the heart’s workload.
The Good: Why metoprolol is prescribed
Metoprolol may help:
- Lower blood pressure
- Reduce strain on the heart
- Control a fast or irregular heartbeat
- Reduce the risk of complications after some heart attacks
- Improve outcomes for certain people with heart failure
The Bad: 10 common side effects
1. Tiredness and low energy
Because metoprolol slows the heart rate and reduces adrenaline effects, some people feel more fatigued, especially when starting treatment.
2. Dizziness or lightheadedness
Blood pressure may drop, particularly when standing up quickly.
3. Slow heartbeat
A slower pulse is an expected effect, but an unusually slow heart rate with symptoms should be discussed with a healthcare professional.
4. Cold hands and feet
Reduced circulation to the extremities can make fingers and toes feel colder.
5. Sleep changes or vivid dreams
Some people report changes in sleep patterns or unusual dreams.
6. Mood changes
A small number of people notice changes in mood, such as feeling less energetic or lower in mood.
7. Digestive problems
Possible symptoms include:
- Nausea
- Diarrhea
- Constipation
- Stomach discomfort
8. Sexual side effects
Some people report reduced sexual desire or difficulty with sexual function.
9. Reduced exercise tolerance
Because the heart rate does not rise as much during activity, exercise may feel more difficult at first.
10. Weight changes
Some people experience weight changes, though this is not universal and can have many
