The typical hydroxyzine dosage for anxiety is 50 to 100 mg taken four times per day. This is also the recommended maximum dose for anxiety. The recommended maximum daily dose for anxiety is 400 mg.

Medically reviewed by Mary Choy, PharmD Hydroxyzine is a commonly prescribed antihistamine medication for anxiety and ...

Patients were randomly assigned hydroxyzine 25 mg at bedtime (n = 17) or placebo (n = 18). Sleep quality was assessed at baseline and at 10 days. Forty percent of hydroxyzine-treated patients ...