78 year old female taking levothyroxine, carvedilol, varapamil, plavix (heart attack, stent 8 yrs ago,) Was put on zetia 3 1/2 months ago & stopped on my own 3 weeks ago because of the same problems as the statin drugs I cannot take.. I had an episode of a-fib 2 days ago & blood pressure is too high, especially the lower number. My normal has been 120/50 s. Now it is running 138/75. 143/73, 140/68. Could this have been caused by stopping the zetia 3 weeks ago? I know it isn t panic time yet but I am concerned after 3 days of being high. I m on 6 months appointments with the cardiologist.