Drug therapy problems among patients with cardiovascular disease admitted to the medical ward and had a follow-up at the ambulatory clinic of Hiwot Fana Specialized University Hospital: The case of a tertiary hospital in eastern Ethiopia.

The findings of the study indicated that more than half of the study participants experienced drug therapy problems, for which 58% required additional drug therapy. The risk of drug therapy problem is found to increase with the use of more than three drugs. Since these problems are adversely affecting the treatment outcome of patients, this is an area which requires special attention and the cooperation of healthcare professionals to tackle it.