Can I get a tetanus shot in the emergency room?

Written by Xu Jun Hui
General Surgery
Updated on March 01, 2025
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The injection of tetanus shots is performed in the emergency department of regular hospitals.

Tetanus shots are divided into tetanus toxoid, which requires a skin test, and tetanus immunoglobulin, which does not require a skin test. If the skin test for tetanus toxoid is positive, indicating an allergy, it cannot be injected, and must be replaced with the slightly more expensive tetanus immunoglobulin. It is generally recommended to administer the injection within 24 hours after injury to prevent infection by Clostridium tetani. Clostridium tetani is an anaerobic bacterium. It is necessary to administer tetanus treatment for injuries that are deep, in anaerobic conditions, contaminated, heavily contaminated with soil, rust, open fractures, etc., since these conditions can be conducive to tetanus infection.

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Written by Li Jin Quan
General Surgery
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Can tetanus be fatal?

Firstly, it must be acknowledged that if a patient with tetanus does not receive timely treatment, it can be fatal. When tetanus infection occurs, the early symptoms mainly include dizziness, headache, fatigue, loss of appetite, weak chewing, sore jaw muscles, or some heightened reflexes, or muscle tension. As tetanus worsens, it can manifest as typical clinical symptoms, mainly lockjaw, difficulty opening the mouth, sardonic smile, stiff neck, opisthotonos, and in severe cases, difficulty breathing, respiratory arrest, and even cardiac arrest. If emergency treatment is not administered promptly, the patient can die.

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Written by Liu Huan Huan
General Surgery
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Do you need a tetanus shot for a scraped skin?

Tetanus bacterial infection generally refers to relatively deeper wounds. A deeper wound creates an anaerobic environment locally, where tetanus-causing bacteria can reproduce and grow, leading to infection. If the wound is just a scrape and not deep, it's less likely to form an anaerobic environment. In such cases, the likelihood of developing tetanus is extremely low. From personal experience, if it's just a minor scrape, simply disinfecting the area with iodine is sufficient; there is generally no need for a tetanus antitoxin injection.

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Written by Li Jin Quan
General Surgery
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How long does it take for tetanus to develop?

The pathogen we refer to as tetanus is Clostridium tetani. It enters the body through broken skin or mucous membranes and proliferates extensively in an anaerobic environment, producing toxins that cause a characteristic infection known as tetanus. After infection, the incubation period of tetanus varies; typically, symptoms appear within seven to eight days, but they can manifest as quickly as within twenty-four hours or take several months or even years to develop.

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Written by Liu Huan Huan
General Surgery
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How is tetanus diagnosed?

The diagnosis of tetanus requires comprehensive consideration. If the patient has a history of trauma with skin or mucosal wounds, and shows signs of muscle spasms, such as difficulty opening the mouth, stiffening of the neck, and increased reflexes, the possibility of a tetanus infection should be considered. Further, a culture of the wound can be conducted to see if Clostridium tetani can be cultured. If the culture is positive, a definitive diagnosis can be made. Additionally, tetanus needs to be differentiated from other diseases such as purulent meningitis, rabies, epilepsy, hysteria, and so on.

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Written by Ai Bing Quan
General Surgery
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How to determine if a wound has tetanus

Tetanus wounds are mainly characterized by deep wound redness, accompanied by a certain degree of pain, and sometimes there is pus discharge. The incubation period is usually around seven days. After infection with Clostridium tetani, symptoms such as lockjaw and excessive arching of the back occur, which are caused by excessive muscle spasms. During the acute phase of clinical treatment, it is crucial to actively use antitoxins and antibiotics to treat the infection. Otherwise, muscle spasms may lead to paralysis of the respiratory muscles, ultimately resulting in death by suffocation. Prevention of tetanus is more important than treatment, and care should be taken to avoid injuries from rusty nails.