What is an allergy?

  • A
    An exaggerated response of the immune system to a specific antigen.
  • B
    An abnormal physiological reaction of the body to a specific allergen.
  • C
    Hypersensitivity to an allergen.
  • D
    All of the above.

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Similar Questions

In which condition are antihistamines effective?

Which of the following statements is false?

$S -$ Assertion: In developed cities of India,a large number of children suffer from allergies.
$R -$ Reason: Modern lifestyle leads to a decrease in immunity.

When a person dies after being stung by a bee followed by the administration of penicillin,the death may be due to:

Which of the following are anti-allergen drugs?

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