Objective: Gastritis will be very annoying every day, both for teens and adults. If this disease is left, it will damage the function of the stomach and increase the risk of stomach cancer which will cause death. The aim of this research was to know the accuracy of using gastritis medicine to the outpatients at UPT Puskesmas Rawat Inap Way Kandis.
Methods: This research was non experimental research with descriptive design that was taken by retrospective. The sample taken was the medical record data of patients with a diagnostic of gastritis without complications with other diseases in January-March 2019. Total sampling is this study using purposive sampling.
Conclusion: Rationality evaluation results the parameters used in the use of the medicine are right patient, right indication, right medicine, and right dose. Right patient 100%, right indication 100%, right medicine 100%, right dose 87, 50%.
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