Feeling weaker than usual
Daytime sleepiness
Sluggishness
For some patients, fatigue improves over the first days or weeks as the body adapts.
Persistent or severe exhaustion should be discussed with the prescribing clinician because other causes may also be involved, including anemia, thyroid disease, sleep disorders, low blood pressure, heart problems, depression, or interactions with other medicines.
Why Does Metoprolol Make Some People Feel Tired?