(1) Pharmacological actions. Atenolol is a selective beta1 blocker; its long
half-life permits once daily dosing.
(2) Indications. Atenolol is used as an antihypertensive agent and for the
treatment of angina pectoris because of coronary atherosclerosis.
(3) Side effects. Side effects include dizziness, drowsiness, and some
mental depression, but less than that of other agents.
Pharmacological actions. Timolol has both beta1 and beta2 blocking
(2) Indications. The oral tablets are used as an anti-hypertensive agent.
The eye drops are used for glaucoma.
(3) Side effects. Possible side effects include dizziness, drowsiness,
hallucinations, fatigue, slow pulse, confusion, depression, and cold hands and feet.