We analyzed antibiotic usage in a general hospital in Saudi Arabia .
Antibiotic data were collected retrospectively for 2011 and from 2013 to 2015 ,
We analyzed antibiotic usage in a general hospital in Saudi Arabia .
Antibiotic data were collected retrospectively for 2011 and from 2013 to 2015 , and only adult patients ( > 15 year of age ) were included in the study .