Took this drug x 5 years,horrible side effects including liver malfunction, severe anemia, plus. Had all of the major post marketing side effects except cardiac problems. It took approx 7 to 8 wks to work off the drug/ went thru major withdrawel sx at home to avoid hospitalization ( am an R.N./ became med toxic because it messed up my liver function. Hemoglobin went down to 9.5 and I was ready for blood transfusions. Plus many more major problems for 1+ years. Since off this drug, All problems resolved except now left with chronic fatigue syndrome and major fibromyalgia. Continued med problems + doctors, not able to work or function as I did before ever taking this drug.