September 3, 2026

Doctors Prescribe Metoprolol Every Day… But Many Patients Don’t Know About These Side Effects

4. Breathing Difficulties or Worsening Lung Issues

A subtle tightness in your chest or shortness of breath during activity? Metoprolol can trigger bronchospasm in people with asthma or reactive airways, tightening muscles around the lungs.

This effect appears more in those with preexisting conditions, though rare in others. Studies highlight caution for lung patients. Imagine feeling winded on a short walk—prompt attention can prevent escalation. Yet the heart-related risks coming next are truly critical.

3. Dangerously Slow Heart Rate (Bradycardia)

Your pulse drops too low, leaving you dizzy or faint. Bradycardia ranks as a serious but possible effect, with some experiencing rates under 40 beats per minute.

Discover more

Herbs & Spices

Continue on the next page:
Share on Facebook