Is it necessary to avoid certain foods after a tetanus shot?

Written by Gao Tian
General Surgery
Updated on April 21, 2025
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After a tetanus shot, dietary restrictions are generally needed, especially within the first 24 hours after the injection.

Therefore, it is advisable to go to the surgical department for thorough wound cleaning and disinfection as soon as possible. If there is pus, a drainage tube should be placed. Follow-up plans should be made based on the results. Normally, pay attention to rest and diet, eat less spicy and greasy food, keep the wound clean and dry, change dressings on time. If inflammation occurs, oral antibiotics may be needed to control the infection, followed by regular check-ups.

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Written by Li Jin Quan
General Surgery
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Tetanus allergic symptoms

The primary allergic reaction to tetanus is anaphylactic shock. Some patients may experience skin redness, itching, chest tightness, difficulty breathing, pale complexion, and cold sweats within minutes after receiving the tetanus vaccine. Some may also experience nausea, vomiting, and even abdominal pain. Additionally, blood pressure may drop, and the pulse may slow down. In severe cases, coma can occur, and even cessation of heartbeat and breathing. The second type of allergic reaction is serum sickness, which can occur after a tetanus injection, characterized by erythema, edema, and itching at the injection site.

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Written by Xu Jun Hui
General Surgery
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How long does a tetanus shot last?

After receiving a tetanus shot, it generally lasts for about six months. However, if you are injured again after six months and the wound is heavily contaminated, such as with contaminated soil or rust, and the wound is large and deep, it is advised to undergo tetanus treatment again. The purpose of the tetanus shot is to prevent infection by Clostridium tetani, which is an anaerobic bacterium. It tends to proliferate in anaerobic environments and in conditions of heavy contamination by rust and soil. Therefore, if after tetanus treatment the injury is relatively minor, shallow, and comparatively clean, it is sufficient to clean and dress the wound and keep it dry. If the wound is heavily contaminated, large, and deep, it is recommended to administer the tetanus shot again.

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

Tetanus prophylactic treatment is advised to be carried out as soon as possible, ideally within 24 hours for optimal effectiveness. However, prevention treatment can still be carried out after 24 hours, as long as the disease has not manifested. Current research does not prove that tetanus prevention is ineffective after this period. Therefore, timely and effective preventive treatment should be implemented following high-risk tetanus infection factors, choosing either tetanus antitoxin or tetanus immunoglobulin. The incubation period for tetanus infection is about a week, and as long as the disease has not manifested, choosing appropriate medication can have a preventive effect. Tetanus antitoxin and tetanus immunoglobulin have different metabolic cycles; the half-life of tetanus antitoxin is generally about three days, whereas tetanus immunoglobulin can last up to three weeks.

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

In clinical practice, the vast majority of tetanus patients can be cured, provided there are no severe complications. Typically, tetanus is caused by the toxin produced by Clostridium tetani within the human body, leading to a specific type of infection. Clinically, it usually manifests as muscle tension and rigidity, and some patients might experience lockjaw, difficulty opening the mouth, a sardonic smile, and even stiff neck and opisthotonos. Severe cases can lead to difficulty breathing, respiratory arrest, or even cardiac arrest. Tetanus patients should go to the hospital for systematic, formal treatment and care. The vast majority of tetanus patients can be cured.

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Written by Gao Tian
General Surgery
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What should I do if the tetanus skin test is positive?

For patients, what to do if there is a positive tetanus skin test? Generally if it's positive, you can undergo desensitization injections or use anti-protein drugs. Therefore, in such cases, getting a tetanus injection is also a preventative measure against infection. It's recommended to visit a surgeon to complete relevant examinations and then decide on the next steps. At the same time, thorough debridement and disinfection should be carried out. Afterwards, rest, pay attention to diet by avoiding spicy and irritating foods, maintain cleanliness and dryness, change dressings regularly, and have regular follow-ups. With proper control, recovery is possible.