How many shots are given for tetanus?

Written by Gao Tian

General Surgery

Updated on May 07, 2025

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Generally, a single injection is enough.

Therefore, it is recommended to go to surgery for thorough debridement and disinfection. Subsequent treatment will be based on the results, and generally, if handled promptly, there shouldn't be any major issues. Also, avoid spicy and irritating foods during the treatment period, and consider eating some foods that help with wound healing, such as proteins. Afterwards, keep the wound clean and dry, change dressings regularly, and have regular check-ups. This is not a big issue and can recover quickly with proper care.

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Written by Liu Huan Huan

General Surgery

40sec

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Will a scrape lead to tetanus?

When a tetanus infection occurs, the wound is generally quite deep, for instance, reaching the subcutaneous fat or even the muscle layer in severe cases. Such deep wounds can create an anaerobic environment, which is conducive for the growth and reproduction of Clostridium tetani, an anaerobic bacterium. This bacterium produces exotoxins, primarily the tetanospasmin, which causes the associated clinical symptoms in patients. If it's merely a scrape or a superficial wound, tetanus infection is unlikely. Clinically, what is needed for such abrasions is to disinfect the area with iodine and then bandage it appropriately.

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Written by Li Xiao Lin

Emergency Department

43sec

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Is mild tetanus easy to treat?

Mild tetanus is easy to treat. Mild tetanus presents with slight twitching, numbness in the limbs, and stiffness, with shallow impairment of consciousness and shorter duration of convulsions. Appropriate sedatives or antiepileptic drugs such as midazolam or phenobarbital sodium can be used to control symptoms. Treatment with penicillin to combat tetanus bacillus also yields good results. Additionally, it is important to rest often, avoid excessive fatigue, drink plenty of water, and consume fresh vegetables and fruits. Avoid spicy and irritating foods. (Please use medications under the guidance of a doctor.)

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Written by Xu Jun Hui

General Surgery

53sec

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Which part of the body is the tetanus shot administered?

Tetanus injections are given as intramuscular injections in the upper arm or the buttock. Tetanus vaccines include tetanus antitoxin, which requires a skin test. Patients with a positive skin test must either undergo desensitization therapy or avoid using it, and can switch to tetanus immunoglobulin, which doesn't require a skin test but is more expensive than tetanus antitoxin. The purpose of the tetanus shot is to prevent infection by Clostridium tetani, an anaerobic bacterium. It is particularly important for patients with deep wounds or heavily contaminated wounds; or wounds contaminated with rust or soil to receive tetanus treatment to prevent Clostridium tetani from colonizing the body through wound mucosa and producing neurotoxins that affect breathing.

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Written by Zhang Peng

General Surgery

1min 2sec

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Tetanus generally occurs how long after infection?

Tetanus infection generally has an incubation period, which largely depends on the location of the wound, the extent of infection, and the immune status of the body. This period is mostly about one week, but it can be as short as 24 hours and as long as several months or even years. For patients with shorter incubation periods, the symptoms tend to be more severe after the onset, and the prognosis is worse, with 90% of patients developing the disease within two weeks of injury. For neonatal tetanus infections, the typical incubation period is about a week after the umbilical cord has been cut, and occasionally, symptoms of tetanus can occur years later after the removal of a foreign body that had remained in the body. For tetanus infection, timely preventive vaccinations should be administered; the general principle is not to exceed 24 hours. Even if more than 24 hours have passed without the onset of the disease, timely vaccination can still achieve preventive effects.

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Written by Li Jin Quan

General Surgery

58sec

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Do you still need a skin test for tetanus allergy?

Under normal circumstances, if there is an allergy to tetanus, a skin test is not required. If tetanus vaccination is indeed necessary, human immunoglobulin can be injected, and this does not require a skin test. 250 units can be injected directly. Additionally, tetanus antitoxin desensitization injections can be used. The so-called desensitization injection involves diluting 1500 units of tetanus antitoxin into doses of 0.1 ml, 0.2 ml, 0.3 ml, and 0.4 ml, totaling 1 ml, and administering it in four doses, each 20 minutes apart. After the injections are completed, an observation period of 30 minutes is required to ensure there are no adverse reactions before the patient can leave.