Let's take a minute to talk about your medication. This is metoprolol, and you should take it with food. Metoprolol is used to treat high blood pressure, to reduce chest pain, and to help treat patients after a heart attack. When you start metoprolol, or if your doctor increases your dose, it can make you tired, so you need to be careful doing activities that require you to be alert, like driving, until know how it will affect you. Some people might get light-headed or have sleeping problems. This is normal and should go away. If these or other side effects become reasons you want to stop taking metoprolol, please talk to your doctor or pharmacist. But, don't suddenly stop taking it unless your doctor says it's okay. In rare cases you may have breathing problems, swelling in your legs or feet, chest pain, or feel faint. If you do, contact your doctor right away. For best results, continue taking metoprolol, because it may reduce your risk of having a heart attack or stroke. Also, make sure to follow your doctor's advice about diet, exercise, and checking your own blood pressure and heart rate.