Diabetes mellitus type 2 is a chronic metabolic disease defined when blood sugar (or glucose) is high, which over the years leads to serious damage to our entire body and occurs because the body becomes resistant to insulin or does not produce enough insulin. Bacterial pneumonia is an infection that affects the lungs and causes the alveoli to fill with pus produced by Gram positive bacteria. The specific objectives were: Identify sociodemographic characteristics, Identify problems related to medications and Evaluate the impact of hospital pharmaceutical intervention using the Morisky Green test in patients with type 2 Diabetes mellitus and bacterial pneumonia who were treated in the Internal Medicine Hospitalization Service of Hospital III – Iquitos, EsSalud, during the period from December 2023 to June 2024. Quantitative study, prospective, descriptive, observational and cross section...