Term: Chronic trauma
Definition (plain English):
Long-term or repeated injury to the nails, often from everyday habits, footwear, or manual work.
Examples:
- Tight shoes pressing on toenails
- Sports like running or football
- Repetitive use of tools or instruments with fingers
How it relates to nails:
Causes thickened nails (onychogryphosis), onycholysis (lifting), pincer nails, ridges, or bruising under the nail (subungual haematoma).
Confusable with:
Fungal infection, psoriasis, or age-related thickening.
Disclaimer:
⚠️ This information is for educational purposes only. It is not a diagnosis. Always seek medical advice if you are concerned.