Background: The incidence of DM type 2 patients was progressively increased. WHO predicts rise in the number of patients from 8.4 million in 2000 to around 21.3 million in 2030. The other problem of irrational treatment has become a world problem where more than 50% of drugs prescribed is not correct. The aim ofthis studywas to determine the rationality ofthe use of oral antidiabetika in hospit…