Abstract
Barbiturates are used extensively in the practice of medicine. Over 15,000,000 doses of barbiturates are sold in the United States in a year. (1) The drug is given to alleviate pain, suffering and periods of emotional instability; however, excessive and indiscriminate usage leads to drug habituation and loss of faculties and sometimes even death. | The main purpose of the studies herewith reported was the demonstration of any abnormal histopathologic changes produced in the viscera of rats by the injections of pentobarbital sodium.