The maximum recommended daily dose of hydroxyzine depends on the condition being treated and the patient's age and specific health circumstances. For adults, the typical maximum daily dose for anxiety is 400 mg [1]. For urticaria (hives) and other allergic conditions, the maximum dose for adults is also generally 400 mg per day, often divided into multiple doses [2].
What is the usual dose for itching?
For itching associated with allergic reactions, such as urticaria, the usual adult dosage is 25 mg to 100 mg every four to six hours as needed [2]. For chronic urticaria, doses may range from 25 mg to 100 mg up to four times daily [3].
How is hydroxyzine dosed for children?
In children, the dosage of hydroxyzine is typically lower and is calculated based on the child's weight. For allergic conditions and itching, the recommended maximum daily dose for children 6 years and older is 50 mg [4]. For younger children (under 6 years) with allergies and itching, the dose is usually 10 mg to 25 mg per day, divided into smaller doses [5].
What are the risks of taking too much hydroxyzine?
Exceeding the recommended dosage of hydroxyzine can lead to significant side effects. These can include extreme drowsiness, confusion, blurred vision, nausea, vomiting, and irregular heartbeat [6]. In severe cases, overdose can result in seizures or respiratory depression [6].
Are there different forms of hydroxyzine?
Hydroxyzine is available in several forms, including oral tablets, capsules, and an oral suspension. It is also available as an injectable solution for intramuscular use [7]. The form of the medication can influence how it is administered and absorbed, but the maximum daily dosage guidelines generally apply across formulations.
When does hydroxyzine lose patent protection?
Information regarding specific patent expiry dates for hydroxyzine is available through specialized drug patent databases [8]. These resources track patent lifecycles for pharmaceutical products.