In what situations should tetanus shots not be administered?

Written by Xu Jun Hui
General Surgery
Updated on May 25, 2025
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Tetanus is caused by Clostridium tetani, which settles in the human body through mucous membranes and wounds, producing spasm-inducing neurotoxins that affect the body's muscle groups, particularly the masseter and respiratory muscles, leading to the ceasing of respiratory circulation and endangering life. Therefore, for patients with deep wounds, heavily contaminated wounds, and extensive open fractures, it is essential to administer tetanus antitoxin treatment. If the wound is superficial, clean, and dry, the patient may consider forgoing tetanus antitoxin treatment under the condition of proper wound debridement and dressing changes. However, for patients with large wound areas, deep and severely contaminated wounds, and those whose wounds are not redressed timely, it is crucial to administer tetanus antitoxin treatment.

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Written by Gao Sen
General Surgery
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Tetanus 0.1ml how many units

In general, the dose of tetanus toxoid is 1500 international units per dose, approximately 1 ml per dose, and generally about 150 international units per 0.1 ml, which can be referred to the instructions. The use of tetanus toxoid should be avoided blindly and should be administered under the guidance of a physician. Additionally, wound cleaning and disinfection should be performed before administering tetanus toxoid. Furthermore, anti-infection treatment should be considered based on the contamination of the wound.

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Written by Xu Jun Hui
General Surgery
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Is tetanus easy to infect?

Tetanus is not easily contracted.Tetanus bacilli belong to anaerobes, and are prone to occur in conditions where the wounds are deep, in an anoxic or low oxygen situation, heavily contaminated wounds such as with dirt or rust, and in cases of open fractures with large wounds. In these situations, tetanus bacilli can colonize the skin and mucous membranes, producing neurotoxins that lead to a series of complications. Therefore, anti-tetanus treatment must be conducted for wounds in an anaerobic environment, such as heavily arsenic-contaminated wounds.For routine wounds that are shallow and small, it is sufficient to change the dressing.

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Written by Li Jin Quan
General Surgery
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Do you need a tetanus shot for a scrape?

Whether tetanus vaccination is necessary for an abrasion depends on the severity of the injury. For a minor abrasion where the wound is not deep, you can repeatedly rinse the wound with hydrogen peroxide or saline solution to wash off contaminants. After that, disinfect with iodine and perform simple bandaging. Change the dressing as needed. Such abrasions do not require a tetanus shot. However, if the abrasion is severe, the wound is deep, heavily contaminated, or caused by rusty metal, it is essential to receive tetanus vaccination while cleaning the wound in the hospital to prevent tetanus.

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Written by Liu Huan Huan
General Surgery
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Can you get tetanus from a plastic scratch?

In clinical practice, all injuries, if the wound is relatively deep, such as being cut by a sharp object into the subcutaneous tissue or even damaging the tendons, reaching the muscle tissue, can potentially be infected by tetanus. Wounds inflicted by plastic can also be infected by tetanus. In such deep wounds, Clostridium tetani can easily grow and reproduce. This bacterium can produce a toxin that causes muscle spasms, leading to related clinical symptoms. Therefore, if a plastic injury results in a deep wound, there is a risk of tetanus infection. It is advised that the patient seeks medical attention promptly, undergoes wound disinfection, and receives an injection of tetanus antitoxin to prevent infection.

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Written by Liu Wu Cai
Hepatobiliary Surgery
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Do you get a fever during the early stages of tetanus?

Tetanus symptoms can potentially begin with a fever during the early stage, generally occurring between six and ten days after injury, meaning symptoms can appear within 24 hours or several weeks post-injury. The shorter the incubation period, the more severe the symptoms and the higher the risk. Some patients may experience fatigue, headache, dizziness, restlessness, and possibly fever. Subsequently, typical symptoms of tetanus occur, primarily characterized by intense muscle contractions starting with the facial muscles. This includes difficulties in opening the mouth and lockjaw, among others. Thus, prevention is crucial for tetanus. When there is a local tissue injury, it is essential to promptly disinfect with hydrogen peroxide or iodine, followed by cleaning and suturing the wound and timely tetanus vaccination to prevent the disease.