Ahriansyah, A. and latief, M.S. 2026. A STUDY OF DRUG–DRUG INTERACTIONS AND THEIR ASSOCIATION WITH POLYPHARMACY AMONG PATIENTS WITH SCHIZOPHRENIA. IONTech Journal. 7, 1 (Feb. 2026), 51-62. DOI:https://doi.org/10.62702/ion.v7i1.160.