Does antihistamine hydroxyzine improve sleep?
On One Hand: Study supports use for insomniaDr. Laurent Spahr, who published a 2007 study in the “American Journal of Gastroenterology,” says hydroxyzine, a common medicine to treat allergies, is a welcome alternative to traditional sleeping pills for insomnia.On the Other: Hydroxyzine causes drowsinessHydroxyzine or Vistaril can also be prescribed for the short-term treatment of nervousness and tension that may occur with anxiety.