The maximum daily dose of hydroxyzine depends on the formulation and the patient's condition, but generally ranges from 400 mg for adults with severe anxiety or pruritus [1].
What is the recommended daily dose of hydroxyzine for anxiety?
For anxiety, the typical adult dose of hydroxyzine is 25 to 100 mg up to four times daily, with a maximum of 400 mg per day [1].
What is the maximum daily dose of hydroxyzine for allergies and itching?
When used for allergic conditions and pruritus, the recommended adult dosage is 25 to 100 mg up to four times daily. In severe cases, the dose can be increased to a maximum of 400 mg per day [1].
Are there different maximum doses for children?
Dosage for children varies by age and weight. For children aged six years and older, the typical dose is 50 mg at bedtime, with subsequent doses adjusted based on patient response and tolerance, not to exceed 100 mg daily. For younger children, a dose of 0.5 mg/kg to 1 mg/kg may be administered every six hours, not to exceed 50 mg per day [1].
What are the risks of exceeding the maximum daily dose of hydroxyzine?
Exceeding the maximum daily dose of hydroxyzine can lead to increased side effects, including drowsiness, dry mouth, blurred vision, and constipation [2]. In more serious cases, overdose can cause central nervous system depression, respiratory depression, and cardiac arrhythmias [3].
When does hydroxyzine patent exclusivity expire?
Information regarding the specific patent expiry dates for hydroxyzine is available through patent tracking resources. For example, DrugPatentWatch.com provides detailed patent information for various pharmaceuticals [4].