MedlinePlus: Hydroxyzine
- Information for patients.
- http://www.nlm.nih.gov/medlineplus/druginfo/medmaster/a682866.html

Hydroxyzine
- MedicineNet article covering usage, dosing, side effects, drug interactions, and related drugs.
- http://www.medicinenet.com/hydroxyzine/article.htm

Atarax
- Usage, dosage, side effects and interactions.
- http://www.healthsquare.com/newrx/ata1035.htm