Chanazine 10% Uses Chanazine 10% is a sedative with analgesic and muscle relaxant properties for use in horses only in many cases where sedation is required, including: 1.Handling fractious animals e.g. for transportation. 2.Medical examinations e.g. X-ray examination, removal of bandages, examination of the penis and oral cavity. 3.Premedication for minor superficial operations and local or regional anaesthesia. 4.Elimination of defaecation when examining and treating the vagina, uterus and hindquarters.