Can a festering wound lead to tetanus?

Written by He Zong Quan
General Surgery
Updated on March 05, 2025
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Wound suppuration and contracting tetanus are two different concepts. Wound suppuration primarily occurs when there is an infection at the wound site, which spreads due to lack of significant control over the infection focus. We need to actively locate the infection source, perform thorough surgical debridement and drainage, use sensitive antibiotics as needed globally, and change dressings in a timely manner to manage the infection. Tetanus, on the other hand, is typically considered when the wound is too deep and visibly contaminated, often by rusty, sharp objects causing the infection. In such cases, thorough surgical cleansing of the wound is essential to prevent surface contamination, along with the systemic use of tetanus antitoxin to reduce or prevent a tetanus infection.

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

Tetanus is a specific type of infection caused by the toxin produced by the growth and reproduction of Clostridium tetani, which enters the body through damaged skin and mucous membranes and thrives in an anaerobic environment. Clinically, it is mainly characterized by lockjaw, muscle rigidity, and muscle spasms. After being infected with tetanus, people generally show symptoms within seven to eight days; in quick cases, symptoms can appear within twenty-four hours, while in longer scenarios, the onset can take several months or even years.

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Written by Gao Sen
General Surgery
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Does a tetanus shot hurt?

Tetanus shots are certainly painful, but why do they hurt? Firstly, because a skin test is needed for tetanus, which primarily involves injecting the drug under the skin of the forearm to form a small bump about 0.5cm in diameter. It is known that there are abundant nerve endings under the skin, so the injection of the drug can cause local swelling and compress the surrounding nerves, and the drug can also cause an irritation response in the surrounding nerves, which is why tetanus shots are painful.

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Written by Zhang Peng
General Surgery
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How many years does the tetanus vaccine last?

Tetanus vaccines generally involve an active immunization process against tetanus with a complete immunization schedule, providing effective protection for up to ten years for those who have completed the full course of prevention. Typically, newborns must receive three doses of the DTP (diphtheria, tetanus, pertussis) vaccine, with the first dose administered at three months of age, followed by a dose each subsequent month, and booster shots at eighteen months or six years of age. If vaccinated, no further tetanus antitoxin or tetanus immunoglobulin injections are required for injuries incurred within ten years of vaccination. If no active immunization has been done and the wound is heavily contaminated, it is crucial to promptly administer tetanus antitoxin or tetanus immunoglobulin. A skin test must be performed before using tetanus antitoxin; if the test is strongly positive, immunoglobulin should be administered for preventive treatment.

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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 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.