I Have Been Taking Crestor 40mg For Over 3 Yrs

I have been taking Crestor 40mg for over 3 yrs and never seemed to have any noticeable problems with it. I also have acid reflux and have been taking low dose pills for that. Recently I became very dizzy after taking Crestor in the morning so I quit taking it and am feeling less dizzy. I am wondering whether taking a lower
dose Crestor might solve my problem. Crestor 40 has been the only statin that got my cholesterol below 225.
I am an 85yr old male.