PROPRIETARY DRUG By N., Sam M.S. - 4 Any patented drug or compound used for medicinal purpose. The proprietary drug may be a formulation that contains generic compounds in its ingredients. PROPRIETARY DRUG: "For years, Zocor was a proprietary drug manufactured by Merck." Related Psychology Terms Terms of Service LYSERGIC ACID (LSD) Evaluation of a Qualitative Study PMDD: Can It Be Cured? ADOLESCENCE (Theories) Dissociative Identity Disorder FREUD, SIGMUND (1856-1939) DRUG ADDICTION ELECTROSHOCK THERAPY (Elec- troconvulsive Therapy; EST, ECT) A Comparison of Maternal and Paternal Filicide Cite this page: N., Sam M.S., "PROPRIETARY DRUG," in PsychologyDictionary.org, April 28, 2013, https://psychologydictionary.org/proprietary-drug/ (accessed July 2, 2022).