I took Lipitor 4 years ago, side affects that appeared were dizziness/near fainting. then pain and weakness in the knees/legs After much physical therapy, the condition of pain and weakness and lack of stamina has persisted in my knees. the blood test after I quit taking it showed an enzyme had been stripped of the muscles. That has since returned. I have taken Ubiquinol for months, tried all kind of physical therapy that had no affect. Now what do it do? I have talked to a number of orthopedic docs and no one knows any more. One doctor who did my surgery for a hysterectomy said the same thing happened to her father.