Drug Name:Cetirizine
Drug Class:Second-generation antihistamine
Mechanism of Action:
  • Selective antagonist of peripheral H1 receptors
  • Blocks the effects of histamine, reducing allergic symptoms
Use:
  • Relief of symptoms associated with seasonal and perennial allergic rhinitis
  • Management of chronic urticaria
Side Effects:
  • Drowsiness
  • Dry mouth
  • Headache
  • Fatigue
  • Nausea
Contraindications:
  • Hypersensitivity to cetirizine or any component of the formulation
  • Severe renal impairment
Specialty:
  • Allergy and Immunology
  • Primary Care
  • Dermatology