H61.002

Clinical Causes: Bacterial infections, especially Pseudomonas aeruginosa and Staphylococcus aureus Trauma or injury to the ear, such as piercings or blows Surgical procedures involving the ear Underlying skin conditions like dermatitis or psoriasis Repeated friction or manipulation of the ear Obstructed or infected hair follicles due to poor hygiene

Key Symptoms: Redness and swelling of the outer ear Pain or tenderness when touching or moving the ear Warmth in the affected area Possible pus or oozing from the ear if an abscess forms Feeling of fullness or pressure in the ear Fever in some cases Tender lymph nodes around the ear or neck

Diagnosis Path: Diagnosis of perichondritis typically involves a physical examination, where a healthcare provider assesses the ear for redness, swelling, and tenderness. The provider may inquire about recent injuries, piercings, or infections. In some cases, they might perform imaging tests like ultrasound or MRI to determine the extent of the inflammation or to rule out other conditions. Additionally, a sample of discharge may be taken for bacterial cultures to identify the causative organism and guide treatment decisions.

Treatment Protocols: Treatment aims to control infection, reduce inflammation, and prevent cartilage destruction. Approaches generally include: - **Antibiotics:** Oral or topical antibiotics targeting common bacteria like Pseudomonas or Staphylococcus. - **Pain management:** Use of analgesics to relieve discomfort. - **Drainage:** If an abscess has formed, surgical drainage may be necessary. - **Rest and ear protection:** Keeping the affected ear protected from trauma or further injury. - **Addressing underlying causes:** Such as removing any foreign objects or treating skin conditions. In severe or persistent cases, consultation with a specialist such as an ENT (ear, nose, and throat doctor) may be recommended. Proper and prompt treatment is essential to prevent permanent damage to the ear cartilage and surrounding tissues.