The primary aim of this study was to assess the impact of patient medication counseling by comparing the levels of patient's medication knowledge and adherence achieved by medication counseling in an outpatient clinic. Ninety patients were randomized in the ratio of 1:2 into either counseled or usual care group. Their medication knowledge was assessed by a questionnaire and adherence was assessed by pill count method and self-assessment by the patients. Their medication knowledge was assessed at baseline and during their subsequent appointments. The average medication knowledge score of the counseled group versus usual care group was 13.82±1.8064 and 11.78±3.5037. Compliance score of the patients during their follow-up period was 92.29±4.5 and 84.71±11.80 for the counseled and control group, respectively. Statistical analysis of medication knowledge was carried out and all the demographic characters and number of medication were individually correlated with medication knowledge score and the difference observed was statistically significant. Compliance score of the patients was 92.29±4.5 and 84.71±11.8% for the counseled and usual care group, respectively.
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