*The following content is generated by AI and is for reference only.
<h3>Overview</h3>
<p>Promethazine injection is a parenteral formulation of a phenothiazine derivative used primarily as an antihistamine and antiemetic. The core manufacturing process involves high-purity synthesis followed by sterile filtration and aseptic filling into glass vials or ampoules. Key chemical parameters include molecular formula <strong>C17H20N2S</strong> and CAS number <strong>60-87-7</strong>.</p>
<h3>Application</h3>
<ul>
<li>Severe allergic reactions requiring rapid onset relief.</li>
<li>Management of nausea and vomiting in surgical settings.</li>
<li>Sedation for patients undergoing diagnostic procedures.</li>
<li>Adjunct therapy for motion sickness prevention.</li>
</ul>
<h3>Precautions</h3>
<p>Strictly contraindicated in children under two years due to respiratory depression risks. Store at controlled room temperature (20°C–25°C) protected from light. Ensure proper PPE usage during handling to prevent skin sensitization and inhalation hazards.</p>