Abstract
Cimetidine, a H2 receptor antagonist that inhibits gastric secretion, has been used for duodenal and gastric ulcers. However, some collateral effects were observed in cimentidine-treated patients such as loss of libido, impotence, gynecomastia, and reduced sperm count. Regarding the antihistaminergic and antiandrogenic actions of cimetidine, as well as the scarce literature concerning the…