A member asked:

My prescribed 50 mg of vistaril (hydroxyzine) isn't effective. how much more can i take without overdosing?

A doctor has provided 1 answer
Dr. Dustin Colegrove answered

Specializes in Internal Medicine

100mg: Can be used. Do not exceed that dose.

Answered 11/27/2017

3.6k views

Thank

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How long does it take for vistaril (hydroxyzine) to start to work?

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