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.
What is atenolol? Atenolol (Tenormin) is in a group of drugs called beta-blockers. Beta-blockers affect the heart and circulation (blood flow through arteries and veins). Atenolol is used to treat angina (chest pain) and hypertension (high blood pressure). It is also used to treat or prevent heart attack. Atenolol may also be used for purposes other than those listed in this medication guide.