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 recommended starting Lopressor dosage for people with high blood pressure (hypertension) is 100 mg once a day or 50 mg twice a day.After a week or longer, your healthcare provider may increase or decrease your dosage based on the blood pressure response and/or Lopressor side effects.opressor Dosage for High Blood Pressure. Sometimes, taking Lopressor once a day does not adequately control blood pressure for a full 24 hours. This is particularly common at low dosages (such as 100 mg a day).