stromectol walmart canada A study published in the January 22, 2007, issue of the Archives of Internal Medicine, for example, found that depressed women and men over the age of 50 who had used the class of antidepressants called selective serotonin reuptake inhibitors SSRIs, such as Prozac and Zoloft, were twice as likely to experience a fracture as women and men who had never taken an SSRI