I use WWW.DRUGID.INFO to identify my pills. It's a pay service, however it's worth the price. They have never been wrong for me. I checked, and they can identify your pill. Good Luck!
HYDROXYZINE (Vistaril®) is an antihistamine. This drug relieves itching and allergic skin reactions; may relieve emotional conditions that result in anxiety and tension; reduces nausea and vomiting; helps make you sleep before surgery or at bedtime, and may help with pain relief after surgery.
<found via a free pill identifier provided my the Medical University of South Carolina>
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