Question

Antihistamines are drugs that are useful in the treatment of

• A. Heart attack
• B.
  Abnormal blood clotting
  
• C.
  Allergies
• D.
  Bacterial infection

Answer 1

The correct option is C

Allergies

Allergic reactions are accompanied by the release of a chemical from cells called histamine. Antihistamines prevent the action of histamine, therefore, help in the treatment of allergic reactions like allergic rhinitis , eczema , hay fever e.t.c.