*The following content is generated by AI and is for reference only.
<h3>Overview</h3>
<p>Hydroxyzine Hydrochloride is a piperazine derivative antihistamine manufactured via synthetic organic processes. Its molecular formula is <strong>C21H27ClN2O2·HCl</strong> with CAS No. <strong>1009-65-4</strong>.</p>
<h3>Application</h3>
<ul>
<li>Anxiolytic therapy for generalized anxiety disorders</li>
<li>Preoperative sedation in surgical settings</li>
<li>Adjunct treatment for pruritus caused by allergic conditions</li>
<li>Management of nausea and vomiting</li>
</ul>
<h3>Precautions</h3>
<p>Contraindicated in patients with known hypersensitivity to piperazines or during early pregnancy. Requires storage in cool, dry environments below 25°C with protection from light to maintain stability.</p>