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.
Atenolol may cause drowsiness. What is Atenolol: Atenolol is a beta-blocker. Beta-blockers affect the heart and circulatory system (arteries and veins). Atenolol is used to treat certain heart conditions such as arrhythmias.It is also used to lower blood pressure and to treat enlarged hearts in cats.tenolol may cause drowsiness. What is Atenolol: Atenolol is a beta-blocker. Beta-blockers affect the heart and circulatory system (arteries and veins). Atenolol is used to treat certain heart conditions such as arrhythmias.