Onychogryphosis (Nail to Claw): Causes, Symptoms and Treatment

or as a phenomenon related to aging) or in association with certain diseases, such as psoriasis, onychomycosis, diabetes and circulatory disorders.

Unfortunately, there is no effective drug therapy to cure onychogryphosis; the only treatment is to remove the deformed nails to prevent their regrowth.

, in particular the big toe, and can be favored by numerous local factors, such as:

  • Repeated micro-traumas on the matrix caused by inadequate, too tight and uncomfortable footwear;
  • Injuries resulting from violent shocks suffered by the nail (isolated trauma to the nail system);
  • Poor hygiene of the parties concerned;
  • Hallux valgus;
  • Alteration of the static-functional biomechanics of the foot.

Onychogryphosis can also represent a symptom of various pathological conditions, such as:

  • Skin affections (eg psoriasis, ichthyosis, ringworm, pemphigus);
  • Nail infections (e.g. onychomycosis);
  • Peripheral circulation disorders (eg varicose veins, thrombophlebitis, aneurysms, elephantiasis);
  • Diabetes;
  • Diseases of the central nervous system;
  • Peripheral neuropathies.

Onychogryphosis can also be associated with other factors, such as:

  • Old age;
  • Hyperuricemia;
  • Nutritional deficiencies;

Onychogryphosis can also present itself in an idiopathic form (ie for unidentifiable causes).

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