Esayas Tadesse Gebra mariam and Mustefa Ahmed
Despite the complexity of drug use, a number of indicators have been developed, standardized and evaluated by the World Health Organization (WHO). These indicators are grouped in to three categories namely: prescribing indicators, patient care indicators and facility indicators. The study was aimed to evaluate rational drug use based on WHO-core drug use indicators in Dilchora referral hospital, Dire Dawa; HiwotFana specialized university hospital, Harar and Karamara general hospital, Jigjiga, eastern Ethiopia