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| 1. |
Why are cimetidine and ranitidine better antacids than sodium bicarbonate or magnesium or aluminium hydroxide ? |
| Answer» Solution :If excess of sodium bicarbonate, `Mg(OH)_(2)` or `Al(OH)_(3)` is USED, it will make the stomach alkaline and trigger the production of EVEN more HCl which may cause ulcers in the stomach. In contrast, CIMETIDINE and ranitidine prevent the interaction of histamine with the receptor cells present in the stomach wall. This releases lesser amount of HCl. | |