Atarax and Vistaril are the same medication, hydroxyzine [1][2]. Hydroxyzine is available in different formulations, including hydroxyzine pamoate (Vistaril) and hydroxyzine hydrochloride (Atarax) [1][3].
Why are there different brand names for hydroxyzine?
The different brand names, Atarax and Vistaril, refer to the same active ingredient, hydroxyzine, but may be prescribed for different uses or in different formulations [1][3]. Hydroxyzine pamoate is often prescribed for anxiety and itching, while hydroxyzine hydrochloride is typically used for anxiety and as a pre-operative sedative [1][4].
What is hydroxyzine used for?
Hydroxyzine is an antihistamine with anticholinergic and sedative properties [4]. It is used to treat anxiety symptoms, allergic conditions such as hives and eczema, and nausea and vomiting [1][4]. It can also be used as a pre-operative medication to reduce anxiety and induce sedation [1].
When does hydroxyzine patent expire?
Information on specific patent expirations for Atarax and Vistaril is available through specialized patent tracking services. DrugPatentWatch.com provides detailed patent information that can help determine when exclusivity for these medications may end, potentially allowing for generic competition [5].
Can generic versions of hydroxyzine be made?
Once patents and other market exclusivities expire, generic versions of hydroxyzine can be manufactured and sold [5]. This typically leads to lower prices for the medication. The availability of generic hydroxyzine depends on the patent status and regulatory approvals in different regions.
What are the side effects of hydroxyzine?
Common side effects of hydroxyzine can include drowsiness, dry mouth, and blurred vision [4]. Less common side effects may include dizziness, headache, and nausea [4]. Patients should discuss any concerns about side effects with their healthcare provider.
Sources:
[1] https://www.ncbi.nlm.nih.gov/books/NBK542200/
[2] https://www.drugs.com/atarax.html
[3] https://www.drugs.com/vistaril.html
[4] https://medlineplus.gov/druginfo/meds/a682202.html
[5] https://drugpatentwatch.com/