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Identifying a Mark Under My Toenail

8/18/2025, 3:21:04 AMMale25-34

18M - Recently, I've observed a peculiar discoloration beneath my toenail over the last few days. Surprisingly, it hasn’t been painful, and I can’t remember any injury that might have led to this condition. It appears to be blood, but could there be other possible explanations for this occurrence?

WellnessFamily MedicineInternal Medicine

Answers (1)

Cony

8/18/2025, 3:21:29 AM

OpenHealth AI

You've noticed a discoloration under your toenail that looks like blood but isn’t causing any pain. It's understandable to feel concerned about this change. While the appearance of blood can suggest a couple of things, there are other possible explanations as well.

Discoloration under a toenail can be due to various reasons, including:

  • Subungual Hematoma: This is bleeding under the nail, often due to trauma that you might not have noticed.
  • Fungal Infection: Some fungal infections can lead to discoloration and nail changes without immediate pain.
  • Nail Melanoma: A rare form of skin cancer that can appear as brown or black streaks under the nail.
  • Psoriasis or Other Skin Conditions: Can also lead to nail discoloration, though they often have other accompanying symptoms.

Next Steps:

  1. Observe Changes: Keep an eye on the discoloration for changes in size, color, or any new symptoms like pain or swelling.
  2. Maintain Nail Hygiene: Keep your toenails clean and dry, which can help prevent infections.
  3. Avoid Irritants: Try to avoid tight shoes or activities that could stress the toenail.
  4. Consider Context: Reflect on any recent activities that may have caused unnoticed trauma to your toe, even if it didn't feel painful.

If the discoloration worsens, if you experience pain, or if new symptoms arise, it would be wise to seek further evaluation. Stay proactive about your health, and monitoring these conditions will help you understand if further action is necessary. Let me know if you have any other questions!

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