Six hours.: Hydroxyzine is dosed every six hours as needed. So if you see no benefit after six hours, you can take another dose. Realize that it can make you groggy, so don't take it if you have to drive someplace or do something important.
Answered 11/10/2016
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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