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Published on: 7/4/2025

Why do ridges appear specifically on my thumb nails?

Ridges on thumb nails can be caused by repeated trauma or habits, like playing the guitar or picking at nails, which can lead to nail problems like median nail dystrophy or habit tic deformity.

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Explanation

Ridges on thumb nails can occur due to different reasons. One common cause is repeated trauma or habits, such as playing the guitar or frequently picking at the nails. This can lead to a condition known as habit tic deformity, where the nail develops ridges and splits due to constant pressure and damage.

Another condition that affects thumb nails is median nail dystrophy. This happens when the nail develops a split or ridge in the middle. It can occur due to repeated trauma or pressure on the nail, often from habits like tapping or pressing the nail against surfaces.

Key Points:

  1. Habit Tic Deformity: Often seen in people who play instruments like the guitar or have habits that stress the nails.
  2. Median Nail Dystrophy: Can occur from repetitive trauma or pressure, leading to a noticeable ridge or split in the nail.

Understanding these conditions can help in identifying and reducing habits that may cause nail damage. If you have concerns about nail changes, it might be helpful to consult a healthcare professional for personalized advice.

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