Where to get a tetanus shot?

Written by Xu Jun Hui
General Surgery
Updated on May 08, 2025
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Tetanus shots are available in the emergency departments of public hospitals and are generally recommended to be administered within 24 hours after injury. It is advised not to drink alcohol before the injection, as standard tetanus toxoids need a skin test, and alcohol consumption can cause generalized skin flushing, affecting the test results. Tetanus shots are especially recommended for wounds that are heavily contaminated with dirt, rust, are from open fractures, or are deep, creating an anaerobic environment, as the bacterium Clostridium tetani is anaerobic and can lead to severe infections once contracted.

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Written by Zhang Da Wei
General Surgery
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How long does a tetanus shot last?

The duration of effectiveness for a tetanus shot depends on the specific type of injection used, as different injections vary in their duration of protection. Generally, the protection lasts about two to three days. In cases of infection, it is usually necessary to administer the vaccine within 24 hours. Under these circumstances, a period of about two to three days can be used to clean the wound, thereby achieving the best preventive effect. Additionally, there are other vaccines that are ten to twenty times more effective than this type of vaccine, with a typical prevention time ranging up to 15 days or even about a month. Of course, after receiving the tetanus vaccine, it is important to monitor for any allergic reactions, as different injections may vary in their degree of allergenicity, and individual reactions can differ based on personal health conditions.

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Written by Tang Da Wei
General Surgery
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How deep is a tetanus wound?

There is no clear boundary concerning how deep a wound needs to be to carry a risk of tetanus; mainly, it depends on whether the conditions allow for anaerobic bacteria to thrive. Particularly, wounds that are very small on the surface but deep can lead to substantial proliferation of tetanus bacilli. A common example is a foot wound caused by stepping on a nail, where the exterior opening of the wound is small, but it is deep inside, and the nail surface may be rusty and also carry a large amount of tetanus bacilli. If the wound is not promptly and thoroughly cleaned, it can lead to massive growth of tetanus bacilli, resulting in the onset of severe illness in the patient.

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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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Emergency Department
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How to treat mild tetanus?

The treatment for mild tetanus mainly includes the following aspects: First, to control convulsions, diazepam or midazolam can be administered via muscle injection or intravenous injection. If necessary, phenytoin sodium can be combined to control seizures. If the convulsions last a long time and the symptoms are pronounced, sedative medications can be continuously used to control the convulsions. Second, use large amounts of penicillin and anti-tetanus bacillus treatment to control the infection. Third, maintain a quiet indoor environment to reduce stimuli. Fourth, after the patient regains consciousness, attention should be paid to diet: avoid spicy and stimulating foods, do not smoke or drink alcohol, and it is advised to drink more water and eat more fresh vegetables and fruits. (Please use medication under the guidance of a doctor)

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Can tetanus be cured?

If the patient does not have severe complications, most cases of tetanus can be cured. Tetanus is usually a specific infection caused by toxins secreted by Clostridium tetani. The incubation period for tetanus is usually six to seven days, but it can be as short as within 24 hours or as long as several months or even years. Therefore, after cleaning a wound, it is important to get a tetanus vaccine at a formal hospital. When tetanus occurs, we should actively go to the hospital for formal and systematic treatment, as the vast majority of patients can be cured.