Co-Administration of Morphine and Naloxone: Histopathological and Biochemical Changes in the Rat Liver

Background: Co-administration of opioid agonists and antagonists at low doses has been reported to significantly enhance and/or prolong the analgesic effects and reduce or prevent tolerance to or dependence on opioids. Objectives: The current study aimed at evaluating the naloxone effect on morphine-induced histopathological and hematologic changes in rats. Materials and Mehods: Thirty mature male Wistar rats were categorized into three groups...