Chemistry Chemistry In Every Day Life ( Not In Syllabus ) Chemisty in Every Day Life Subjective Type
Published on: August 13, 2026

Why are cimetidine and ranitidine are better antacids than sodium bicarbonate or magnesium hydroxide or aluminium hydroxide.

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Over production of hydrochloric acid in the stomach causes acidity. So, sodium bicarbonate or magnesium or aluminium hydroxide are used as treatment of acidity. However excessive bicarbonate can make the stomach alkaline and trigger the production of even more acid. But the drugs cimetidine and rantidine work in different way. They prevent the interaction of histamine with the receptors present in the stomach wall and this results in release of lesser amount of acid.

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