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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What situations require a tetanus shot?

Usually, tetanus is caused by the toxin produced within the human body by Clostridium tetani, entering through broken skin or mucosa, leading to a specific type of infection. Tetanus is commonly found in our surroundings, such as in moist soil, rusty iron, or on bamboo sticks. When wounds are large, deep, severely contaminated, contain foreign bodies, or in cases of severe burns, scalds, or certain open fractures, it is crucial to seek timely vaccination at medical institutions.

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Written by Li Xiao Lin
Emergency Department
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What are the symptoms of mild tetanus?

Symptoms of mild tetanus may include the following: Firstly, localized muscle spasms or brief spasms in a single muscle. Additionally, one may experience facial numbness, facial asymmetry, and difficulty swallowing. Generally, these symptoms are mild and do not affect normal life. Therefore, if tetanus occurs, one should first go to the hospital for further relevant examinations and treatment. The general treatment involves administering penicillin for infection control. Additionally, symptomatic treatment includes sedatives to reduce spasms. Attention should also be paid to diet; it is advisable to drink plenty of water and consume fresh vegetables and fruits. One should avoid spicy, stimulating foods, seafood, and yeast-containing foods like beef and mutton to minimize the occurrence of tetanus symptoms.

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Written by Gao Sen
General Surgery
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The likelihood of a wound being infected with tetanus

Tetanus is a specific infection often associated with trauma, with a high contamination rate of tetanus bacillus in traumatic wounds. On the battlefield, the contamination rate can reach 25% to 80%, although the incidence of tetanus in contaminated wounds is only about 10% to 20%. This suggests that other factors are necessary for the disease to occur, with the main factor being an anaerobic environment. If the wound is deep, with a small external opening, and contains necrotic tissue, blood clots, or is too tightly packed, this can lead to local ischemia. Additionally, if there is a co-infection with aerobic bacteria consuming residual oxygen in the wound, it creates an anaerobic environment conducive to the growth of the bacteria, thus increasing the likelihood of tetanus infection in the wound.

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Written by Zhang Peng
General Surgery
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Symptoms of Tetanus

What are the symptoms of tetanus? Generally, the prodromal symptoms include overall weakness, headache, difficulty swallowing, or limited movement of the head and neck. If the condition progresses further, there may be typical symptoms such as difficulty opening the mouth or tense jaw muscles, leading to muscle spasms in the limbs, possibly causing spasms of the larynx, which can lead to breathing difficulties or even suffocation. Hence, it is a particularly severe manifestation. Some individuals may experience generalized tonic muscle spasms throughout the body, a milder manifestation with a typically longer incubation period. Therefore, in the treatment of tetanus, proactive active immunization should be pursued.

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Written by Xu Jun Hui
General Surgery
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How to administer an injection if the tetanus skin test is negative

A negative tetanus skin test indicates that there is no allergy to tetanus antitoxin, and 1500 to 3000 units of tetanus antitoxin can be directly administered via intramuscular injection in the upper arm or buttock. If the wound is heavily contaminated or the injection is not timely, the dose may be doubled or tripled at discretion, and it is also necessary to clean and dress the wound. The purpose of administering tetanus antitoxin via intramuscular injection is to prevent infection by Clostridium tetani. Therefore, patients with heavily contaminated or deep wounds must receive tetanus antitoxin treatment.