What to Do If You Get Bitten by a Centipede: First Aid and When to See a Doctor - Surgery

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Hello, I would like to ask, since there are often centipedes and earthworms in the bathroom, what should I do if I accidentally get bitten by a centipede? Will it cause any issues? Do I need to see a doctor?

Wei, 10~19 year old female. Ask Date: 2006/10/27

Dr. Huang Zhihui reply Surgery


When bitten by a centipede, the wound can be extremely painful and may become red and swollen.
There is also a risk of secondary bacterial infection at the site.
The most dangerous complication is anaphylactic shock, which can be life-threatening.
Therefore, it is best to seek medical attention immediately if bitten by a centipede.

Reply Date: 2006/10/27

More Info


If you get bitten by a centipede, it can be a painful experience, but there are steps you can take to manage the situation effectively. Here’s a comprehensive guide on first aid for centipede bites and when to seek medical attention.


First Aid for Centipede Bites
1. Stay Calm: The first step is to remain calm. While centipede bites can be painful, they are rarely life-threatening.

2. Clean the Wound: Gently wash the bite area with soap and water. This helps to prevent infection. Avoid scrubbing the area too hard, as this can irritate the skin further.

3. Apply a Cold Compress: To reduce swelling and numb the pain, apply a cold compress or ice pack wrapped in a cloth to the bite area for 10-15 minutes. Be sure not to apply ice directly to the skin to avoid frostbite.

4. Pain Relief: Over-the-counter pain relievers such as ibuprofen or acetaminophen can help alleviate pain and reduce inflammation. Follow the dosage instructions on the package.

5. Monitor for Allergic Reactions: While most people will experience localized pain and swelling, some individuals may have an allergic reaction. Watch for symptoms such as difficulty breathing, swelling of the face or throat, or hives. If any of these occur, seek emergency medical help immediately.

6. Avoid Scratching: It’s important to avoid scratching the bite area, as this can lead to infection.


When to See a Doctor
You should consider seeking medical attention in the following situations:
- Severe Pain or Swelling: If the pain becomes unbearable or if swelling spreads significantly beyond the bite site, it’s advisable to consult a healthcare professional.

- Signs of Infection: If you notice increased redness, warmth, swelling, or pus coming from the bite area, these may be signs of infection that require medical treatment.

- Allergic Reactions: As mentioned earlier, if you experience any signs of an allergic reaction, such as difficulty breathing, swelling, or hives, seek emergency medical care immediately.

- Persistent Symptoms: If symptoms such as pain, swelling, or redness do not improve within a few days, or if they worsen, it’s best to see a doctor.

- Underlying Health Conditions: If you have a weakened immune system or other underlying health conditions, it’s prudent to consult a healthcare provider after a centipede bite.


Additional Considerations
Centipede bites can vary in severity depending on the species of centipede. While most bites result in mild to moderate pain, some larger species can deliver a more potent venom that may require medical attention.
In general, centipede bites are not common in the United States, but they can occur in areas where centipedes are prevalent. If you frequently encounter centipedes in your home, consider taking preventive measures such as sealing cracks and crevices, reducing moisture, and keeping your living space clean to deter these creatures.

In summary, while a centipede bite can be painful, following the appropriate first aid steps can help manage the symptoms effectively. Always err on the side of caution and seek medical advice if you have any concerns about your symptoms or if you experience severe reactions.

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