抗酸药[1](antacid)又称抗酸剂、制酸剂[2],是能降低胃内容物酸度的弱碱性物质,可直接中和胃酸,对胃起保护作用。抗酸药用于缓解酸的刺激,如胃灼热、腹胀、疼痛、消化不良等症状[3]。
一些抗酸药已被用于治疗便秘和腹泻[4]。市售抗酸药含有铝、钙、镁或钠盐。一些制剂含有两种盐的组合,如碳酸镁和氢氧化铝(如水滑石)[5]。
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参考
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