Many popular brands have coffee flavors that contain between 30 and 45 milligrams of caffeine per half cup, which is about the same as a can of Coke. Chocolate ice cream has much less, however; a half cup of Breyerâs All Natural Chocolate ice cream has only 3 milligrams, according to a Consumer Reports analysis.
1 In general, labetalol hydrochloride tablets are taken for is used high blood pressure (hypertension) and angina (chest pain caused by the heart not getting enough blood) with hypertension.  Intravenous labetalol hydrochloride is used when a personâs blood pressure needs to be reduced very quickly.
Uses. Atenolol is used with or without other medications to treat high blood pressure (hypertension). Lowering high blood pressure helps prevent strokes, heart attacks, and kidney problems. This medication is also used to treat chest pain (angina) and to improve survival after a heart attack. Atenolol belongs to a class of drugs known as beta blockers. It works by blocking the action of certain natural chemicals in your body, such as epinephrine, on the heart and blood vessels.