Hemorrhagic otitis externa, also known as malignant otitis externa, is a severe and potentially life-threatening infection of the external ear canal that occurs mainly in elderly, immunocompromised, or diabetic individuals. This condition is characterized by inflammation, swelling, and damage to the tissues of the ear canal, leading to the formation of ulcers and necrosis.
The symptoms of hemorrhagic otitis externa can be quite severe and include severe pain, discharge from the ear, hearing loss, dizziness, and facial weakness. These symptoms may be accompanied by fever, chills, and general malaise, indicating a systemic infection.
The primary cause of hemorrhagic otitis externa is bacterial infection, often caused by the bacteria Pseudomonas aeruginosa. This bacterium is commonly found in soil and water and can easily enter the ear canal through scratches or cuts in the skin. Other bacteria that may cause this condition include Staphylococcus aureus, Proteus mirabilis, and Escherichia coli.
Other risk factors for hemorrhagic otitis externa include a weakened immune system, diabetes, and other conditions that affect blood flow and oxygen supply to the tissues, such as arteriosclerosis. Trauma to the ear canal, such as from the use of hearing aids, earbuds, or cotton swabs, can also increase the risk of this condition.
Diagnosis of hemorrhagic otitis externa is usually based on the patient's symptoms, medical history, and physical examination of the ear canal. The doctor may also order a CT scan or MRI to assess the extent of the infection and determine if there is any damage to the surrounding tissues.
Treatment of hemorrhagic otitis externa typically involves a combination of antibiotics, pain management, and wound care. Antibiotics may be given orally or through intravenous infusion, depending on the severity of the infection. Pain management may include over-the-counter or prescription pain medication, or local anesthetics.
If you experience symptoms of hemorrhagic otitis externa, seek medical attention right away. Early diagnosis and treatment are essential to prevent complications and improve outcomes