Scratched by knives, if it is only a mild injury and the cut is not deep, tetanus is generally not required; however, if the trauma is relatively large and the cut is deep, it is necessary to take tetanus.
Scratched by knives, if only relatively small wounds, and the incision is relatively shallow, no obvious bleeding, generally will not be mandatory tetanus vaccine, but need to do a good job of local cleaning care, adhere to the use of iodine vapour or disinfectant alcohol scrubbing the wound.
For relatively large wounds, and the cut is relatively deep, the wound has obvious bleeding, are required to inject tetanus antitoxin tetanus prevention.
Serious cuts by knives, in addition to the prevention of tetanus, but also need to timely treatment of wounds, including disinfection, clean suture wounds, regular dressing changes, suture removal, taking amoxicillin, cefaclor and other antibiotics to prevent and control infections and other treatments.