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.
1 I take Hydrochlorothiazide 25mg and Atenolol 50mg daily for high blood pressure. 2  I have had every exam known to man and all blood work and test results come back clear with no indications of a reason as to why my pressure is high. 3  Needless to say, I take the meds and my blood pressure is controlled.