your doctor if a hand or foot becomes unusually painful, persistently discolored, or markedly colder than the other side.
5.Sleep Disturbances and Vivid Dreams
Metoprolol may occasionally be associated with insomnia, restless sleep, unusual dreams, or nightmares. These effects can contribute to daytime fatigue and mood changes.
Keeping a brief record of when symptoms occur may help a doctor determine whether they are related to the medication, its timing, or another cause.
Do not move a dose from morning to evening, or the reverse, without checking with your doctor