â¢Migraine headaches -- spots of light, halos, or zigzag patterns are common symptoms prior to the start of the headache. Other potential causes of vision problems include fatigue, overexposure to the outdoors (temporary and reversible blurring of vision), and many medications.
The usual initial dose of atenolol (Tenormin) for adult patients with hypertension is 50 mg taken once a day. The maintenance dose may be adjusted after a couple of weeks.
Tablets: 25 mg, 50 mg, 100 mg. âIndications and dosages. â£ Hypertension. Adults: Initially, 50 mg/day P.O.; range is 25 to 100 mg/day as a single dose or in two divided doses. May be used alone or with other drugs. Children ages 6 and older: 0.7 mg/kg P.O. daily, up to total of 50 mg. â£ To prevent cerebrovascular accident (stroke) in hypertensive patients with left ventricular hypertrophy (LVH) Adults: Initially, 50 mg P.O. daily, increased to 100 mg P.O. daily.