How long can tetanus immune globulin function last?

For tetanus immunoglobulin injection generally maintain 2 to 3 weeks after, if the patient in a month later, show again by rusty nails or iron damage, puncture injury, if the opening is small, the patient wound is deeper, or need to consider injection of tetanus antitoxin or tetanus immunoglobulin again. For tetanus antitoxin allergy patients need to actively consider injection of tetanus immunoglobulin, generally need to inject a needle or so, within 24 hours of injury as soon as possible injection is better. In addition, for patients within a month after injection, should pay attention not to drink, more rest, eat less spicy food, can take appropriate amounts of a variety of trace elements to enhance the patient's immunity. In addition, patients should also be observed for facial muscle tension and difficulty in opening their mouths or breathing. If these symptoms occur, they should consider timely hospitalization in the emergency department or infection department of a regular medical institution for further observation and treatment.