10 Common Side Effects of Metoprolol
Metoprolol is a beta blocker used for conditions such as high blood pressure, angina, certain heart-rhythm problems, and heart failure. Not everyone experiences side effects, and many are mild or improve as your body adjusts.
1. Tiredness or fatigue
Feeling unusually tired is one of the more common effects because metoprolol slows the heart rate and reduces the heart’s workload.
2. Dizziness or light-headedness
This can occur when blood pressure becomes lower, particularly when you first start treatment or your dose is increased.
3. Slow heartbeat
Metoprolol intentionally slows the heart rate. A modest reduction can be expected, but an unusually slow pulse accompanied by weakness, dizziness, or fainting needs medical attention.
4. Cold hands and feet
Reduced circulation to the extremities can make your hands or feet feel colder than usual.
5. Headache
Some people experience headaches while taking metoprolol, particularly when beginning treatment.
6. Nausea or stomach discomfort
Digestive symptoms such as nausea, diarrhea, or abdominal discomfort can occur.
7. Sleep disturbances or vivid dreams
Some people report difficulty sleeping or unusually vivid dreams while taking beta blockers.
8. Shortness of breath or wheezing
This is not something to simply ignore, particularly if you have asthma or another lung condition. Contact your healthcare professional if you develop new or worsening breathing problems.
9. Depression or mood changes
Mood changes can occur in some people. Persistent or significant changes should be discussed with your healthcare professional.
10. Sexual difficulties
Some people experience reduced libido or erectile difficulties while taking beta blockers, although these symptoms can have many other causes as well.
🚨 When to seek urgent help
Seek urgent medical attention for fainting, severe difficulty breathing, significant chest pain, severe swelling, or a very slow/irregular heartbeat accompanied by symptoms.
One important rule
Don’t stop metoprolol suddenly. Abruptly stopping a beta blocker can cause a dangerous increase in heart rate or blood pressure and can worsen angina or increase the risk of serious heart problems. If you want to stop or change the dose, your clinician should guide you through it.
If you tell me which metoprolol you take (tartrate or succinate), your dose, and why you take it, I can explain which side effects are most relevant to your situation.