How long does tetanus shot hit effective

Tetanus is most common in deep wounds, and local pollution is more serious, there are soil or other pollutants. After infection with tetanus, it will cause respiratory muscle spasms and other related complications, which may endanger life. Therefore, tetanus antitoxin injection should be carried out in time after injury to prevent tetanus. Generally, within 24 hours after the injection, the earlier the better, the better the prevention effect. After a long time, the preventive effect will be relatively weakened. Some patients show tetanus antitoxin allergy or other factors, some need appropriate extended period injection, within a week, must be injected, so as to prevent tetanus occurrence.