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.
PRESCRIBED FOR: Atenolol is prescribed for patients with high blood pressure (hypertension). It also is used to treat chest pain (angina pectoris) related to coronary artery disease.Atenolol also is useful in slowing and regulating certain types of abnormally rapid heart rates (tachycardias).RESCRIBED FOR: Atenolol is prescribed for patients with high blood pressure (hypertension). It also is used to treat chest pain (angina pectoris) related to coronary artery disease.