Nerfasin injection for horses is a sedative and analgesic formulated with xylazine hydrochloride 100 mg/mL. Designed for equine use only, it produces sedation accompanied by a shorter period of analgesia and is licensed for premedication prior to general anesthesia. The injectable solution is suitable for intravenous or intramuscular administration by a veterinarian. Ideal for clinics and barns seeking reliable livestock health products for equine procedures, this 50 mL vial supports safe, controlled handling and veterinary care.