Planning an inventory of antibiotics that are not good will cause problems in planning, which are over-supply of antibiotics (stagnant) and lack of antibiotic stock (stockout). In this study an quantitative evaluation of antibiotic inventory planning was carried out using the Economic Order Quantity (EOQ) and Maximum-Minimum Stock Level (MMSL) control methods in 2017 at Type A Hospital’s Pharmacy Department. The EOQ method aims to minimize the number of orders while the MMSL method is used to determine the minimum and maximum stock of antibiotics that must be ordered. The results were compared with the need for 2018 then calculations are carried out to determine the amount of stagnant and stockout antibiotics. The number of antibiotics that were stagnant by EOQ method simulation was 44.73% and by MMSL method was 48.02%, while the number of antibiotics stocked by EOQ method was 38.15% and by MMSL method was 42.76%. The category of antibiotic supplies in 2018 in real terms which was included in a stagnant state was 23.68%, stockout ie 55.26% of 152 antibiotics. Evaluation of antibiotic inventory planning using the EOQ method results in the calculation of lower order quantities while the number of orders with MMSL is higher. To find out more broadly about the evaluation of inventory planning in the hospital needed further research by taking into account all drugs not just antibiotics.

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Objective: Drug Related problems (DRPs) are the clinical domain of the pharmaceutical care practitioner. The purpose of identifying drug therapy problems is to help patients on achieving their goals of therapy and realizing the best possible outcomes from drug therapy. The purpose of this study was to determine the number of DRPs and to classify DRPs that occurred in post-operative patients from urology surgery ward. Methods:A 3-month prospective study was conducted by considering 62 hospitalized post-operative patients from urology surgery ward at the Teaching Hospital in Surabaya, East Java, Indonesia. Clinical pharmacists were involved in medical rounds to identify DRPs.Results: From 37 patients, 81 DRPs were identified in this study. About 20 patients were considered to have more than one DRP. The most common identified DRPs were overdosage (38%), drug use without indication (20%), improper drug (11%), drug interaction (10%), untreated indication (9%), adverse drug reaction (7%), failure to receive drug (4%), and subtherapeutic drugs (1%). The clinical pharmacists were involved in doing dose adjustment, monitoring, evaluating drug discontinuation, doing drug substitution and additional therapy, counseling to patients, increasing dose, and referring to prescriber. Conclusion:The most identified DRPs were overdosage, drug use without indication, and improper drug. Clinical pharmacist's intervention was required to identify, prevent, resolve DRPs, and assist patient on achieving their goals of therapy and improving their quality of life.