Where is the tetanus shot injected?

Written by Xing Wen Jun
General Surgery
Updated on May 03, 2025
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Tetanus antitoxin is generally administered via intramuscular injection, commonly in the buttock muscles. If a patient is injured by a rusty iron object, and the wound is small and deep, it is generally recommended to consider administering tetanus antitoxin actively within 24 hours after the injury to help prevent tetanus. Additionally, for local wound care, the patient needs to rinse the wound with soap and water under running water, then clean, apply, rinse, and dry with hydrogen peroxide before disinfecting with iodine. Afterwards, covering the wound with sterile Vaseline gauze and sterile dressings is appropriate. Furthermore, the patient should keep the wound dry for up to three weeks after the injury as getting it wet may delay healing or increase the risk of incisional infection. Moreover, the patient should avoid alcohol and minimize the intake of spicy and irritating foods within a month after the injury.

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Written by Ma Xian Shi
General Surgery
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How long does it take for tetanus to develop?

Tetanus is an acute, specific infection caused by the invasion of Clostridium tetani into a human wound, where it grows and reproduces, producing toxins. Tetanus is a Gram-positive, anaerobic, spore-forming bacillus that is widely present in the external environment. Tetanus occurs only when tetanus bacillus grows and reproduces locally in a wound and produces exotoxins, which are the cause of the disease. The toxins of tetanus include spasm toxin and hemolysin. The incubation period of tetanus generally ranges from six to ten days. In some cases, it can occur within 24 hours or take as long as 20 to 30 days, or even months, particularly following the removal of foreign bodies or shrapnel. Neonatal tetanus generally occurs seven days after umbilical cord separation, clinically also known as the "seven-day wind." Generally, the shorter the duration of the incubation period or prodromal symptoms, the more severe the symptoms and the higher the mortality rate.

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Written by Gao Tian
General Surgery
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Where can you get a tetanus shot?

General hospitals or surgical clinics are suitable; first and foremost, tetanus vaccines are for the prevention of tetanus, especially for deep wounds. Therefore, once an injury occurs, it is advised to visit a surgical clinic promptly to complete relevant examinations and undergo wound cleaning and disinfection. If necessary, oral antibiotics such as cephalosporins should be taken. Additionally, a tetanus vaccine must be administered within 24 hours to prevent tetanus. Afterwards, rest and proper diet are important; avoid spicy and irritating foods, consume high-protein foods, and ensure regular follow-up examinations.

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Written by Xu Jun Hui
General Surgery
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Is it necessary to get a tetanus shot?

This depends on the condition of the wound. If the wound is deep and small, and there is insufficient oxygen, then treatment for tetanus is necessary. In cases of open fractures or blast injuries with heavy contamination, such as contamination with soil or rust, treatment for tetanus is mandatory. This is because tetanus is caused by the invasion of Clostridium tetani into human mucous membranes, producing a toxin that causes muscle spasms in the body, particularly affecting the jaw and respiratory muscles, leading to oxygen deprivation and asphyxiation. Therefore, if the wound requires treatment with a tetanus shot, treatment for tetanus is essential.

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Written by Sun Ming
General Surgery
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Why is tetanus given three times?

Tetanus is often derived from horse serum, which is a heterologous protein that many people might be allergic to. This is why a sensitivity test is done before administering tetanus shots; a positive allergy test indicates the presence of this antigen in your body, which can lead to an allergic reaction. To prevent such allergic reactions, desensitization is performed through intramuscular injections, which means administering the tetanus vaccine in three separate doses. This approach helps avoid allergies or even severe anaphylactic shock that might occur from the tetanus shot.

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Written by Ai Bing Quan
General Surgery
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Where to get a tetanus shot?

Tetanus can be treated in any department, but generally, after an injury, one would first go to the emergency room. Therefore, tetanus is very common in emergency medicine. Tetanus is a type of anaerobic bacterium that is ubiquitous in nature. If a person has a wound that is small and deep, the internal environment can become anaerobic, which easily leads to rapid proliferation of tetanus. At this point, it is necessary to inject tetanus immunoglobulin into such wounds. It is best done within 24 hours because after a long period, the tetanus bacillus might have already proliferated in the wound. A skin test should be performed before the injection, and the injection can only proceed if the skin test is negative. If the wound is relatively large and severe, it generally will not be infected by tetanus bacillus.