PROBLEM TO BE SOLVED: To provide a pharmaceutical composition for antacid which does not contain aluminum with use restriction and magnesium requiring preliminary consultation for use of the elderly, has both immediate effectivity and sustainability of acid neutralizing action, and is extremely unlikely to cause reactionary acid secretion.SOLUTION: The present invention relates to the pharmaceutical composition for antacid containing antacid components, wherein the antacid components comprise sodium bicarbonate and calcium carbonate, and the content of calcium carbonate based on 100 pts.mass of the sodium bicarbonate is 50 to 90 pts.mass.SELECTED DRAWING: NoneCOPYRIGHT: (C)2017,JPO&INPIT【課題】使用制限のあるアルミニウム、及び高齢者の使用に当たり事前相談の必要なマグネシウムを含有せず、かつ、酸中和作用の即効性と持続性を兼ね備え、反動的酸分泌を引き起こすおそれが極めて小さい制酸用医薬組成物を提供する。【解決手段】制酸成分を含む制酸用医薬組成物であって、制酸成分が炭酸水素ナトリウム及び炭酸カルシウムからなり、前記炭酸水素ナトリウムの100質量部に対する炭酸カルシウムの含有量が50~90質量部である制酸用医薬組成物。【選択図】なし
