what are antacid? what is their functions?
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The treatment of acidity was found in 1970 by the action of antacids. The substances which neutralize the acids of the stomach are called antacids. Acidity in the stomach causes the sensation of heartburn, antacids are taken to relieve this sensation. They are taken orally to suppress the effects of acidity. Antacids are actually alkaline ions that directly neutralize the gastric acids of the stomach.
Substances such as sodium hydrogen carbonate or a mixture of aluminium and magnesium hydroxide are used as antacids. When we use an excess of hydrogen carbonate, the stomach gets alkaline which further induces the production of acids. Therefore, we use metal hydroxides which are insoluble, and they do not increase pH value above neutrality. These treatments are used to control the symptoms and not the causes. Hence, the patients cannot be treated with such metal salts. If the acid is not treated properly then in advanced stages ulcer formation takes place which can be life-threatening and the only cure to this is the removal of the affected part of the stomach.
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