Rabies and Tetanus Vaccine Concerns After Dog Bite: What You Need to Know - Surgery

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Rabies and tetanus vaccine issues?


Hello, doctor.
I was bitten by a dog on June 28, but there was no bleeding, and I couldn't see any visible wound, just a little redness and bruising.
After work, I went to see a doctor, who took a quick look and told me that I didn't need any medication or ointment.
They didn't ask me about my tetanus vaccination status or explain whether I needed a tetanus shot.
So I would like to ask you if it's acceptable not to receive a tetanus shot if there is no significant wound from a dog bite.
Thank you.

Additionally, today I've been feeling a sharp pain in the area of my calf where I was bitten.
What could be the reason for this? Although I've read many Q&As stating that a rabies vaccine is not necessary, I still want to ask you: if bitten by a stranger's dog and unable to observe the dog's condition, is it necessary to get a rabies vaccine? I hope you can clarify this for me.
Thank you for your hard work.
🙏

Pei, 20~29 year old female. Ask Date: 2022/07/03

Dr. Xu Kaixi reply Surgery


Unless the dog bite appears to be obviously abnormal, the theoretical risk of rabies is extremely low, and rabies vaccination is not necessary.
If there is throbbing pain at the wound site, it is an inflammatory response, and further observation of subsequent changes is required.

Reply Date: 2022/07/03

More Info


When it comes to concerns about rabies and tetanus vaccinations after a dog bite, it is essential to understand the risks involved and the appropriate medical responses. Rabies is a viral disease that is almost universally fatal once symptoms appear, and it is primarily transmitted through the saliva of infected animals, typically through bites. Tetanus, on the other hand, is caused by a bacterium that can enter the body through wounds, and it can lead to severe muscle spasms and other complications.

In your case, you mentioned being bitten by a dog on June 28, and while there was no bleeding and only minor redness and bruising, it is still crucial to assess the situation carefully. Here are some key points to consider:
1. Assessment of the Bite: Even if the bite appears minor, it is essential to evaluate the risk of rabies. If the dog was a stray or if its vaccination status is unknown, there is a potential risk for rabies. In such cases, the Centers for Disease Control and Prevention (CDC) recommends post-exposure prophylaxis (PEP) with rabies vaccine and rabies immune globulin (RIG) if the dog cannot be observed for 10 days or if it shows signs of rabies.

2. Tetanus Vaccination: The need for a tetanus vaccine depends on your vaccination history and the nature of the wound. If you have not had a tetanus booster in the last 10 years, it is generally recommended to receive one after any significant wound, including animal bites. Since your doctor did not inquire about your tetanus vaccination status, it may be prudent to follow up with a healthcare provider to discuss whether you need a booster.

3. Symptoms Following the Bite: You mentioned experiencing pain in the area where the bite occurred. This could be due to several factors, including muscle strain, inflammation, or even a mild infection. It is not uncommon for the area around a bite to feel sore or tender, but if the pain persists or worsens, or if you notice any signs of infection (such as increased redness, swelling, warmth, or discharge), you should seek medical attention.

4. Rabies Vaccine Consideration: Given that you were bitten by a dog whose vaccination status is unknown, it is advisable to err on the side of caution. Rabies is a serious disease, and if there is any doubt about the dog's health, it is better to receive the rabies vaccine. The rabies vaccination schedule typically involves a series of shots administered over a few weeks, and it is most effective when started as soon as possible after exposure.

5. Follow-Up Care: It is crucial to monitor the bite site for any changes and to maintain communication with your healthcare provider. If you have any concerns about your symptoms or the need for vaccinations, do not hesitate to reach out for further evaluation.

In summary, while your initial assessment may suggest that the bite was minor, the potential risks associated with rabies and tetanus should not be overlooked. It is always better to consult with a healthcare professional to ensure that you receive the appropriate vaccinations and care following an animal bite. If you have further questions or concerns, please seek medical advice promptly.

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