What causes an ear lobe to swell and feel like it has a fever?

There are several potential causes for an ear lobe to swell and feel hot to the touch, but it's important to speak with a medical professional for a proper diagnosis and treatment. Some common causes include:

1. Infection: Bacterial or viral infections, such as otitis externa (swimmer's ear), can cause inflammation, swelling, and warmth in the ear lobe.

2. Allergic Reaction: An allergic reaction to certain materials, such as earrings, cosmetics, or soaps, can cause swelling, redness, and a sensation of heat in the ear lobe.

3. Insect Bite or Sting: Insect bites or stings in or around the ear can cause swelling, pain, and a feeling of warmth in the affected area.

4. Trauma or Injury: Physical trauma or injury to the ear lobe can result in swelling, bruising, and a sensation of heat.

5. Abscess: An abscess, which is a collection of pus, can form in the ear lobe and cause swelling, redness, and a fever-like sensation.

6. Mastoiditis: Mastoiditis is an infection of the mastoid bone, located behind the ear. It can cause swelling, pain, and fever in the affected area.

7. Other Medical Conditions: In some cases, swelling and fever-like sensations in the ear lobe may be associated with underlying medical conditions, such as autoimmune disorders or vasculitis.

If you're experiencing swelling and warmth in your ear lobe, it's essential to see a healthcare provider for evaluation. They can properly diagnose the cause and recommend the appropriate treatment. Self-treatment without proper medical guidance may delay healing or lead to complications.