H61.019

Clinical Causes: Trauma or injury to the ear, such as piercing, blunt trauma, or lacerations Bacterial infections, particularly *Pseudomonas aeruginosa* and *Staphylococcus aureus* Previous ear surgeries or piercings that introduce bacteria into the tissue Fungal infections, though less common Underlying skin conditions or immune system deficiencies that impair infection resistance

Key Symptoms: Localized pain, often worsening with movement or touch Swelling and redness of the affected ear Warmth over the inflamed area Tenderness around the ear's cartilage Possible pus or discharge if infection progresses Fever or general malaise in more severe cases Deformity of the ear if swelling becomes significant or untreated

Diagnosis Path: Diagnosis involves a clinical examination by a healthcare provider, focusing on the appearance and tenderness of the affected area. The physician may inquire about recent trauma, piercings, or infections. In some cases, additional tests such as bacterial cultures or imaging studies like ultrasound or MRI are used to evaluate the extent of inflammation and rule out abscess formation or other complications.

Treatment Protocols: Treatment aims to control infection, reduce inflammation, and prevent deformity. Approaches include: - Antibiotics: Typically oral or topical antibiotics targeting common bacteria involved in infections, especially *Pseudomonas aeruginosa* - Drainage: If an abscess has formed, drainage may be necessary to remove pus and decrease pressure - Pain management: Use of analgesics to alleviate discomfort - Anti-inflammatory medications: Such as nonsteroidal anti-inflammatory drugs (NSAIDs) - Rest and ear protection: Avoiding trauma or further injury to the affected area - Surgical intervention: Rarely needed but may be considered if infection persists or tissue damage occurs. Prompt medical evaluation is essential to prevent complications, including cartilage destruction or permanent deformities of the ear.