12th Class Chemistry Chemistry in Everyday Life

  • question_answer 95)   What is the advantage of using antihistamines over antacids in the treatment of acidity ?

    Answer:

                      Usual antacids control only the symtoms and not the cause. They work by neutralising the acid produced in the stomach but do not control the cause of production of more HCl. Antihistamines, on the other hand, are drugs which supress the action of histamine responsible for secretion of pepsin and HCl in the stomach. In other words, antihistamines prevent the binding of histamine with the receptors present in the stomach wall. As a result, less HCl is produced and hyperacidity is cured. Thus, a better treatment for curing acidity is to use antihistamines over antacids.

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