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Name: Hydroxyzine

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Pregnancy Category C

Drug classes of Hydroxyzine

Antihistamines

Mechanism of action of Hydroxyzine

Competitively blocks the effects of histamine at peripheral H1 receptor sites; has skeletal muscle relaxing, bronchodilator, antiemetic and analgesic properties.

Indications of Hydroxyzine

  1. Treatment of anxiety, preoperative sedative, antipruritic

Contraindications of Hydroxyzine

  1. Allergy to any antihistamines

Adverse effects of Hydroxyzine

  • CNS: Headache, nervousness, dizziness, tremor, seizure
  • GI: Xerostomia
  • Respiratory: Thickening of bronchial secretions
  • General: Weight gain
  • Other: blurred vision

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