Naloxone HCl 0.4 mg/mL (1 mL) is a sterile, preservative‑free single‑dose injection supplied in a sealed vial for rapid access during suspected opioid‑related respiratory emergencies. The ready‑to‑use concentration supports immediate administration by qualified clinicians in oral and maxillofacial and general dental practice settings where emergency preparedness is required. The single‑dose format maintains strict aseptic control and eliminates multi‑entry contamination risk during time‑sensitive events. Clear labeling, lot traceability, and USP‑compliant manufacturing help ensure accuracy and reliability across diverse clinical workflows. The product is repackaged and fully DSCSA compliant, providing secure supply‑chain traceability and regulatory alignment.