interesting question

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Regular Member

Date Joined Oct 2011
Total Posts : 354
   Posted 12/23/2011 12:56 AM (GMT -6)   
my dr had me on 50mg of atentnol anf 25mg of benicar taking them both at the same time once aday
while on benicar for 4 months i was dizzy and didnt know why
he took me off benicar and said take 100mg of atentnol aday
but i find with just 50mg of atenol my blood pressure is only 122/83
so do you guys think the benicar was dropping my pressure too low causingf dizzy and lightheadedness

Regular Member

Date Joined Oct 2011
Total Posts : 354
   Posted 12/23/2011 3:19 PM (GMT -6)   
what are you talking about ive been on this forum for months

Veteran Member

Date Joined Oct 2009
Total Posts : 5022
   Posted 12/23/2011 3:53 PM (GMT -6)   
I take 1/2 of a 25mg atenolol and my pressure drops from 130s/85 to about 110/65. I'm only taking it because it seems to help with my arrhythmias. I think my pressure drops even more some days because I get dizzy and lightheaded too. But my pcp says I need more to stop the events better. I'm confused.

You might ask about taking a smaller dose twice a day. Some sites say 24 hours, some say 30 hours for duration of action. The Rxlist website says to call your doctor immediately if you get lightheaded.

"Twenty-four hour control with once daily dosing is achieved by giving doses larger than necessary to achieve an immediate maximum effect. The maximum early effect on exercise tolerance occurs with doses of 50 to 100 mg, but at these doses the effect at 24 hours is attenuated, averaging about 50% to 75% of that observed with once a day oral doses of 200 mg."
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