Home
Class 12
CHEMISTRY
How do antihistamines cure allergy in th...

How do antihistamines cure allergy in the body?

Text Solution

Verified by Experts

Histamines interact with the binding sites of receptor in the body to produce allergy. Antihistamines compete with histamines for these binding sites of receptor and hence, do not allow histamine to produce allergy.
Promotional Banner

Topper's Solved these Questions

  • SAMPLE PAPER 1

    ARIHANT PUBLICATION|Exercise GROUP C|14 Videos
  • SAMPLE PAPER 1

    ARIHANT PUBLICATION|Exercise GROUP A |7 Videos
  • QUESTION PAPER 2019

    ARIHANT PUBLICATION|Exercise GROUP C|11 Videos
  • SAMPLE PAPER 4

    ARIHANT PUBLICATION|Exercise GROUP C |7 Videos

Similar Questions

Explore conceptually related problems

How do antigens interact with their antibodies?

What is allergy ?

What is the advantage of using antihistamines over antacids in the treatment of acidity?

Write notes on Antihistamines.

How do we define pressure ?

What are antihistamines ? Give an example.

What role is played by IgE antibody and histamine in allergy ?

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

How do you describe a null vector ?

How do redicals influence ageing ?

ARIHANT PUBLICATION-SAMPLE PAPER 1 -GROUP B
  1. Benzaldehyde can be obtained from benzal chloride. Write the reactions...

    Text Solution

    |

  2. Classify the following as amorphous or crystalline solids. Polyuret...

    Text Solution

    |

  3. How do antihistamines cure allergy in the body?

    Text Solution

    |

  4. Write the IUPAC name of the following complex. [Co(NH(3))(5)Cl]^(2+)

    Text Solution

    |

  5. Write the formula for the following complex. Potassium tetrachloridoni...

    Text Solution

    |

  6. Name the common elements present as anode mud in the electrolytic refi...

    Text Solution

    |

  7. The vapour pressure of water is 12.3 kPa at 300 K. Calculate the vapou...

    Text Solution

    |

  8. Explain why NH(3), is basic, while BiH(3) , is only feebly basic?

    Text Solution

    |

  9. Which compound in each of the following pairs will react faster in S(N...

    Text Solution

    |

  10. How are synthetic detergents better than soaps?

    Text Solution

    |

  11. For the reaction, 2A +B to A(2) B, The rate =k[A][B]^(2) with k= 2....

    Text Solution

    |

  12. Differentiate between rubbers and plastics on the basis of intermolecu...

    Text Solution

    |

  13. Examine the given defective crystal : {:(X^(+),Y^(-),X^(+),Y^(-),X^...

    Text Solution

    |

  14. Examine the given defective crystal : {:(X^(+),Y^(-),X^(+),Y^(-),X^...

    Text Solution

    |

  15. Examine the given defective crystal : {:(X^(+),Y^(-),X^(+),Y^(-),X^...

    Text Solution

    |

  16. How would you account for the following? (a) Transition metals exhi...

    Text Solution

    |

  17. Amino acids may be acidic, alkaline or neutral. How does this happen? ...

    Text Solution

    |

  18. What is the difference between a colloidal solution and emulsion? What...

    Text Solution

    |

  19. A 5% solution (by mass) of cane sugar in water has freezing point of 2...

    Text Solution

    |

  20. Discuss briefly giving an example in each case, the role of coordianti...

    Text Solution

    |