COMPOSITION WITH IMPROVED LIGHT STABILITY

摘要

PROBLEM TO BE SOLVED: To provide an oral solid composition having light stability by conveniently preventing light-induced discoloration and decomposition of amlodipine or a pharmacologically acceptable salt thereof.SOLUTION: The invention relates to an oral solid composition which contains (a) amlodipine besylate, (b) iron oxide, and (c) at least one excipient selected from the group consisting of reduced starch syrup and reduced palatinose, the composition having no coating layer; and a method for producing the oral solid composition characterized by compounding iron oxide in preparing the oral solid composition which contains amlodipine besylate and at least one excipient selected from the group consisting of reduced starch syrup and reduced palatinose.SELECTED DRAWING: None