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.
A 59 year old woman was diagnosed as being hypertensive in 1994; she started treatment with bendrofluazide 2.5 mg. Suboptimal control of blood pressure led to the addition of atenolol 50 mg daily. Subsequently, amlodipine was added as third line treatment. Within 24 hours she complained of generalised itching.