What causes a swollen ear canal?

Several factors can cause a swollen ear canal. Some common causes include:

Infections: Infections, such as otitis externa ("swimmer's ear"), can cause inflammation and swelling in the ear canal. These infections can be bacterial or fungal.

Allergies: Allergies, such as hay fever or allergies to certain foods, can trigger swelling and inflammation in the ear canal.

Trauma: Physical trauma to the ear, such as from a blow to the head, can cause swelling in the ear canal.

Earwax blockage: A buildup of earwax can block the ear canal, leading to swelling and discomfort.

Foreign objects: Foreign objects, such as insects, small toys, or pieces of cotton swabs, can become lodged in the ear canal, causing swelling and discomfort.

Certain medical conditions: Some medical conditions, such as autoimmune diseases or skin conditions, can also cause swelling in the ear canal.

If you are experiencing swelling in your ear canal, it is essential to see a healthcare professional to determine the cause and get appropriate treatment. Self-treating ear problems can be dangerous and lead to further complications.