LPT: Some anti-anxiety meds can be claimed as allergy meds For my fellow Americans with anxiety: They’re older drugs, but Atarax and Vistaril (generic name hydroxyzine) are similar to Benadryl and are used for allergies as well as anxiety. That means a general practitioner can write you a prescription and code it as an anti-allergy med. In a pinch, daily over-the-counter Benadryl will also function as …