Centipede Bites: Causes, Symptoms, and Treatment

Centipedes are venomous arthropods that typically try to flee when confronted, but they may bite if they feel threatened or provoked. While centipede bites on humans are relatively rare, it is important to understand the causes, symptoms, and appropriate treatment for such bites.

Causes of Centipede Bites

Centipedes do not have teeth, but they possess venomous forelegs near their heads that they use to capture and immobilize their prey. When a centipede feels threatened, it may bite as a defense mechanism. It is important to note that not all species of centipedes are venomous, and the severity of their bites can vary.

Symptoms of Centipede Bites

When a centipede bites a human, it injects venom that can cause a range of symptoms. The most common symptom is severe pain at the site of the bite. The pain is often described as a burning sensation and can last anywhere from 30 minutes to several days. Other symptoms that may accompany a centipede bite include redness, swelling, blistering, itching, headache, and anxiety.

Allergic Reactions to Centipede Bites

While allergic reactions to centipede bites are rare, some individuals may experience an allergic response. Signs of an allergic reaction can include difficulty breathing, swelling in the throat or other parts of the body, rapid heart rate, hives, or dizziness. If an allergic reaction is suspected, immediate medical attention should be sought.

Treatment for Centipede Bites

If bitten by a centipede, it is important to clean the puncture wounds and the surrounding area with soap and water to reduce the risk of infection. Applying an ice pack wrapped in a towel to the affected area can help alleviate pain and reduce swelling. Over-the-counter pain relievers, such as aspirin, can be taken to manage pain and discomfort. Antihistamines may also help with itching and allergic reactions.

It is crucial to monitor the bite for any signs of infection, such as increased redness, swelling, warmth, or pus. If the bite worsens or shows signs of infection, medical attention should be sought. Additionally, if an individual experiences an allergic reaction or severe symptoms, such as difficulty breathing or a rapid heart rate, immediate medical attention is necessary.

Sources

  • Centipede Envenomation – StatPearls – NCBI Bookshelf (https://www.ncbi.nlm.nih.gov/books/NBK542312/)
  • Centipede Information | Mount Sinai – New York (https://www.mountsinai.org/health-library/poison/centipede)
  • Centipede Bites: Symptoms and Care (https://www.webmd.com/skin-problems-and-treatments/how-to-care-for-centipede-bites)

FAQs

Will a centipede bite if provoked?

Yes, centipedes may bite if they feel threatened or provoked. However, they typically try to flee when confronted.

What are the symptoms of a centipede bite?

Symptoms of a centipede bite can include severe pain at the site of the bite, redness, swelling, blistering, itching, headache, and anxiety.

Are all centipede species venomous?

No, not all species of centipedes are venomous. Some species have venomous forelegs that they use to immobilize their prey, while others do not pose a significant threat to humans.

Can centipede bites cause allergic reactions?

While allergic reactions to centipede bites are rare, some individuals may experience an allergic response. Signs of an allergic reaction can include difficulty breathing, swelling, rapid heart rate, hives, or dizziness.

How should I care for a centipede bite at home?



If bitten by a centipede, it is recommended to clean the puncture wounds and the surrounding area with soap and water. Applying an ice pack wrapped in a towel to the bite can help alleviate pain and reduce swelling. Over-the-counter pain relievers and antihistamines may be taken to manage symptoms.

When should I seek medical attention for a centipede bite?

Medical attention should be sought if the bite worsens, shows signs of infection (increased redness, swelling, warmth, or pus), or if there is an allergic reaction. Additionally, if an individual experiences severe symptoms such as difficulty breathing or a rapid heart rate, immediate medical attention is necessary.