Sandoz Naloxone HCl Injection is an opioid antagonist supplied as a sterile, clear, colourless, isotonic aqueous solution at 0.4 mg/mL. The formulation includes sodium chloride for isotonicity and is preserved with methylparaben and propylparaben. It is suitable for intramuscular, intravenous, or subcutaneous administration by licensed healthcare professionals. Available in a 10 x 1 mL ampoule pack (DIN 02382601) and a 10 mL format (DIN 02148706). Prescription required in Canada.