Just hate the side effects of this Avodart drug as know without doubt the muscle and joint pain and lethargy began after taking the Avodart as had not had these problems and they have continued as of this writing. The fertility effects were reversed by recovery week at all doses, and sperm counts were normal at the end of 14-week recovery period. Sarah Alspach, GSK spokesperson, told trampoline effect of discontinuing avodart the Associated Press on Friday that the ad had not aired since last fall, and that GSK is committed to responsible marketing. In vitro, the -hydroxydutasteride and 1,2-dihydrodutasteride metabolites are much less potent than dutasteride against both isoforms of human Serious skin reactions have been reported during postmarketing experience. Calcium Channel Antagonists Coadministration of verapamil or diltiazem decreases dutasteride clearance and leads to increased exposure to dutasteride.