I have been taking Zocor for over 4 years after having problems with Lipitor. I have recentley developed muscle and joint pain in the neck, shoulders and elbows and sometimes in the knees and legs. I have a great amount of fatigue and general weakness at times. Occasionally, I have a pale colored stool. I have also noticed a loss of muscle mass particularly in my arms. I am also experiencing easy bruising. After reading these testimonials, I am discontinuing Zocor to see if the problems improve. I am a 61 yr old male.