The active ingredient in Aller-Tec is Cetirizine Hydrochloride, 10 mg, an antihistamine approved for the treatment of both indoor and outdoor allergy symptoms. One dose of Aller-Tec works for a full 24 hours.

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The active ingredient in Aller-Tec is Cetirizine Hydrochloride, 10 mg, an antihistamine approved for the treatment of both indoor and outdoor allergy symptoms. One dose of Aller-Tec works for a full 24 hours.

  • Compare to Zyrtec Active Ingredient
  • Cetirizine HCL/Antihistamine 10 mg.
  • Indoor/Outdoor Allergy Relief
  • Non-Drowsy
  • Compare to Zyrtec Active Ingredient
  • Cetirizine HCL/Antihistamine 10 mg.
  • Indoor/Outdoor Allergy Relief
  • Non-Drowsy

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