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Both antacids and antiallergic drugs are antihistamines but they cannot replace each other.Why?

Asked by Akshya Achu 4th March 2015, 6:12 PM
Answered by Expert


  • Excess hydrochloric acid in the stomach causes acidity and the substances which are used to neutralize this excess acid in the stomach are called antacids.
  • Similarly, release of the chemical compound histamine in the body causes allergy and the drugs used to overcome the effect of histamine in the body are called anti allergic drugs.
  • Both antacids and anti allergic drugs work on different receptors. They do not interfere with each other's functions but interfere with the functions of histamines.
Answered by Expert 4th March 2015, 6:31 PM
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