Common – up to 20% of those over 65 years. Trauma is most common cause.
Sometimes called ‘Tennis Toe’ or ‘Joggers Toe’ – due to jamming of toe against end of shoe.
Due to disruption of fine capillaries along the dermal ridges.
Formed in nail bed and carried forward with nail growth. Vary from dark to red – pattern and distribution is very variable.
Associated with infective endocarditis, anticoagulant therapy, vasculitis, systemic lupus erythematosus, rheumatoid arthritis, anti-phospholipid antibodies.
Treatment if traumatic cause:
Relive pressure – drain blood if excessive; appropriate fitting footwear; tubular foam padding around toe situated behind painful area to keep shoe of toe; felt padding under tongue of shoe to help keep foot ‘back’ in shoe.
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