A 42-year-old member asked:
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How long does it take for vistaril (hydroxyzine) to start to work?

1 doctor answer
Dr. Jeffrey Rosch
48 years experience in Allergy and Immunology
Vistaril (hydroxyzine) action : Vistaril (hydroxyzine) is an antihistamine that is available in a liquid, tablet, and im forms. The onset of action of the injectable for is minutes, while the oral routes start in 30 minutes to 2 hours.
Answered on Aug 1, 2019

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Anxiety: vistaril (hydroxyzine) 50 mg, usually every six or 8 hrs. Why do you take this medication?
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A 40-year-old member asked:
Dr. Susan Arnoult
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Probably not: Vistaril (hydroxyzine) has pretty significant sedating effects. You might end up sleeping through school or being groggy if you take it.

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