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.
The usual initial dose of atenolol for adult patients with chest pain is 50 mg taken once a day. The maintenance dose may be adjusted after a week. Depending on the patientâs response to the treatment, the atenolol dosage may be increased or decreased.