Posted in Web Hydroxyzine (Atarax) for Anxiety: Does it Work? – Choosing Therapy July 27, 2026 Hydroxyzine is a prescription antihistamine that treats anxiety by blocking histamine, a natural substance responsible for allergy and anxiety symptoms. It responds quickly and is available as pills, liquids, or injection forms. https://www.choosingtherapy.com/hydroxyzine-for-anxiety/