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What causes perichondritis?

When the outer ear is pierced or injured, bacteria can get into the tissue and can cause perichondritis. Pseudomonas aeruginosa is the bacterium most often responsible for this type of infection. These bacteria live primarily in water and in soil. They can use the wound on the ear to get inside the human body and start the infection.

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All About Ear Infections
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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.