Welchol Side Effects: i started taking welchol a week ago, and now i am having muscle a http://www.medications.com/effect/view/20584 i started taking welchol a week ago, and now i am having muscle aches, weakness and black, tarry stools. according to my doc, this med has no side effects-- i just think it is a coincidence that i am now feeling this way after taking this, and i was fine be Your posting was Mar '07, how long did you take it and are you an Mon, 06 Aug 2007 12:26:46 -0400 http://www.medications.com/effect/view/20584?item=1073 Your posting was Mar '07, how long did you take it and are you any better now? I started in June 02, was on it for less than a month and got off. Muscle aches and weakness, very bad. Could walk miles for pleasure before welchol, Within three weeks I cou http://www.medications.com/effect/view/20584?item=1073