Colas and other sodas like Mountain Dew are well-known caffeinated culprits, but others play less obvious roles in your daily caffeine intake. Some brands of root beer, such as Barqâs, contain caffeine. Both the regular and diet flavors have 23 milligrams per 12-ounce can, just 12 milligrams less than a can of Coke.
Labetalol is a medication used to treat high blood pressure. It can be given intravenously in severe hypertensive situations, or by mouth for long term hypertension management. Its dose and use is limited by its main side effectâpostural hypotension, where there is a substantial drop in blood pressure when standing up. Labetalol's dual alpha and beta adrenergic antagonism has different physiological effects in short- and long-term situations.
Metoprolol (metroprolol) works by reducing the amount of work the heart has to do and the amount of blood the heart pumps out, thereby reducing the demand for oxygen and lowering blood pressure. Metoprolol (metroprolol) is used alone or with other medicines for the treatment of high blood pressure. Metoprolol (metroprolol) is also used to treat angina pectoris (chest pain, usually caused by lack of oxygen to the heart due to clogged arteries), heart attack and to stabilize the heart rhythm in conditions in which the heart is beating too fast or in an irregular rhythm.