Atenolol (Tenolol (12.5 mg)) blocks beta-1 receptors, which are present on the heart. This prevents the action of nerve chemicals adrenaline and noradrenaline on the heart. As a result ...

Her medications include atenolol (100 mg daily), hydrochlorothiazide (12.5 mg daily), lisinopril (40 mg daily), and ibuprofen (400 mg twice daily for osteoarthritis). She does not smoke or drink ...