I take simvastatin, 40 mg, because my cholesterol, which had always been normal (though on the high end of normal) SKYROCKETED when I hit menopause or shortly thereafter. It can do that.

The drug brought my cholesterol down nicely with no side effects whatsoever. (I have had muscle achiness for almost 20 years, but it doesn't seem to have gotten worse on the drug.)

I haven't had a brain MRI since 2003 (had small nonspecific spots) and am not diagnosed with anything, so can't tell you whether it made any change in my brain even if I did have MS.

Nancy T.