Prescription pattern of fixed dose drug combinations in obstetrics and gynecology department of a tertiary care hospital in Puducherry, India: an observational study

Background: Fixed drug combinations (FDCs)have various advantages and disadvantages. In countries like India there are numerous irrational prescriptions as highlighted by the recent banning of FDCs in October 2018. Studying the prescription pattern helps in developing national database which can be used to promote rational use of drugs.Methods: All the Outdoor Patient Department (OPD) prescriptions from department of Obstetrics and Gynecology (OBG) during the study period were used for the study. The drugs were classified according to Anatomical Therapeutic Chemical (ATC) classification. Other data studied were the number of FDCs and the number of currently banned combinations which were used during the study period.Results: The 41% of the drugs prescribed as FDCs. Most FDCs belonged to alimentary system followed by anti-infectives and blood and blood forming organs group. Vitamin D3 and Calcium combination was the most commonly prescribed FDC. Approximately 20% of these prescribed drugs are currently banned.Conclusions: A significant number of drugs are being prescribed as FDCs which also includes various irrational combinations.