Easy-to-read patient tips for hydroxyzine covering how it works, benefits, risks, and best practices. Hydroxyzine package insert / prescribing information for healthcare professionals. Includes: indications, dosage, adverse reactions and pharmacology. Detailed Hydroxyzine dosage information for adults and children. Includes dosages for Anxiety, Nausea/Vomiting, Sedation and more; plus renal, liver and dialysis adjustments. Learn about the side effects of hydroxyzine , from common to rare, for consumers and healthcare professionals.