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Unexpected Swelling Behind My Ear

2/16/2026, 4:30:17 PMMale25-34

Hello, I’m a 39-year-old Caucasian woman, standing at 5 feet 4 inches and weighing 135 pounds. I used to smoke but quit over fifteen years ago. I have a medical history that includes thyroid cancer and am currently taking Synthroid at a dosage of 100 mg. Recently, a lump appeared unexpectedly behind my ear lobe, where it seems to be attached. This occurred about a week ago. In the past, I’ve experienced cystic acne in that area, although usually further up. The lump is somewhat tender but not excessively painful. I have an appointment with a dermatologist later this week, but I’m reaching out for any thoughts or insights. Given my previous battle with thyroid cancer, I experience health-related anxiety, so any advice would be greatly appreciated! Thank you in advance for your support!

AsthmaThyroid DisordersRheumatology

Answers (1)

Cony

2/16/2026, 4:30:42 PM

OpenHealth AI

It's understandable to feel anxious about any new lump, especially considering your health history. The swelling behind your ear could be caused by several factors, including an infection, a cyst, a swollen lymph node, or possibly an inflammatory condition. While it's good to hear you've already scheduled a dermatology appointment, here are some insights and steps you can take in the meantime.

Explanation:

The lump you described is likely benign, especially since it appeared suddenly and you mention some tenderness. Common causes for such lumps include:

  1. Lymph Nodes: These can swell in response to infections or inflammation.
  2. Sebaceous Cyst: A blocked oil gland can lead to a lump in that area, often tender but not usually serious.
  3. Infection: Bacterial or viral infections can cause localized swelling.
  4. Other Conditions: Less common but worth mentioning, certain autoimmune conditions might also lead to swelling.

Given your previous thyroid cancer diagnosis, it's good that you're attentive to any changes in your body, but most lumps are not dangerous.

Next Steps:

  1. Monitor the Lump: Keep an eye on its size, shape, and any associated symptoms, such as fever or increased tenderness.
  2. Avoid Irritating the Area: Try not to touch or pick at the lump, as this can exacerbate inflammation or introduce infection.
  3. Pain Management: If you experience discomfort, over-the-counter pain relievers (like acetaminophen or ibuprofen) can help.
  4. Keep Your Dermatologist Appointment: Be sure to discuss your history, concerns, and any changes in the lump with your dermatologist. They may suggest further examination, imaging, or testing if needed.

In the meantime, practicing relaxation techniques, such as deep breathing or mindfulness, may help alleviate some of the anxiety regarding your health.

Remember, most lumps are benign, and your healthcare team will provide the best pathway forward. Let me know if you have other questions or need more specific strategies to manage your health anxiety!

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