Side effects of Metoprol include abdominal cramps,
diarrhea, constipation, fatigue, insomnia, nausea, depression, dreaming, memory loss, fever, impotence, lightheadedness, slow heart rate, low blood pressure, cold extremities, sore throat, and shortness of breath or wheezing. Metoprolol can aggravate breathing difficulties in patients with asthma, chronic bronchitis, or emphysema. The Baby asprin is low dose and should be well tolerated unless you have asthma .