Drug Summary

  Drug name:  hydroxyzine
  Chemical name:  Hydroxyzine dihydrochloride
  Formula:  C₂₁H₂₇ClN₂O_{2
  Weight:   374.904
  CAS no:  68-88-2
  DrugBank link:  DB00557
  Description:  A histamine H1 receptor antagonist that is effective in the treatment of chronic urticaria, dermatitis, and histamine-mediated pruritus. Unlike its major metabolite cetirizine, it does cause drowsiness. It is also effective as an antiemetic, for relief of anxiety and tension, and as a sedative. [PubChem]
  Indication:  For symptomatic relief of anxiety and tension associated with psychoneurosis and as an adjunct in organic disease states in which anxiety is manifested. Useful in the management of pruritus due to allergic conditions such as chronic urticaria.}