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Curious Circular Marks on My Thumb: What Could They Be?

6/20/2025, 10:30:32 AMMale25-34

I’m a 30-year-old woman, and I’ve noticed some unusual circular marks appearing on the side of my thumb over the past few weeks. These spots are perfectly round and raised, though they aren’t painful or sore to touch. I’m puzzled about what they might be and how I can address them. Any insights or advice would be greatly appreciated!

WellnessFamily MedicinePreventive Medicine

Answers (1)

Cony

6/20/2025, 10:30:52 AM

OpenHealth AI

The circular marks on your thumb could be caused by several benign conditions, such as dermatological issues like warts, fungal infections, or even conditions like eczema or psoriasis. Since they are raised, round, and not painful, this might lean more towards warts or a benign skin condition rather than something more serious.

Explanation:

  1. Warts: Caused by a viral infection (human papillomavirus - HPV), they usually appear as rough, raised bumps and can occur anywhere on the skin.
  2. Fungal Infections: These can also create circular, raised, discolored patches on the skin. They often have a scaly border and may itch.
  3. Eczema or Psoriasis: These conditions can cause raised, round spots, although they are usually accompanied by other symptoms such as itching or flaking.

Next Steps:

  1. Observe Changes:
    • Take note of any changes in size, shape, color, or symptoms like itching or pain over the next week.
  2. Maintain Hygiene:
    • Keep the area clean and dry. Avoid picking or scratching at the marks to prevent any possible infection.
  3. Use Over-the-Counter Treatments:
    • If they are warts, consider trying an over-the-counter wart treatment that contains salicylic acid. Follow the instructions carefully.
  4. Moisturize if Dry:
    • If your skin feels dry or irritated, use a mild moisturizer to soothe the area, especially if it's a case of eczema.
  5. Documentation:
    • Take pictures to track changes and help in understanding what is happening with the marks over time.

If the spots begin to cause discomfort, change significantly, or do not improve with home management, consider seeking professional evaluation. Please remember, most skin conditions are treatable and manageable, and the key is keeping a close watch on any changes.

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