Subungual hyperkeratosis is a disorder characterized by an excessive reproduction of skin cells that accumulate between the nail and the nail bed (the small piece of skin of the finger on which the nail rests). Also involves thickening and lifting of the nail. If a nail is hit by subungual hyperkeratosis, he is thickened and has yellowish-white color. Consequences of the presence of subungual hyperkeratosis may be flaking of the outermost surface of the nail and detachment of the nail (onycholysis).

The severity of hyperkeratosis depends on its thickness. If the thickness is below 2 mm is generally regarded as slight, between the 2 and 3 mm is moderate, while more than 3 mm is considered serious.

Psoriasis and onychomycosis are among the most common pathological associated with subungual hyperkeratosis.


What kind of diseases can be associated with subungual hyperkeratosis?

The following diseases may be associated with subungual hyperkeratosis:

  • Psoriasis
  • Onychomycosis

Remember that this is not an exhaustive list and it is highly recommended to consult your doctor, in case of symptom’s persistence.


What is the therapy for subungual hyperkeratosis?

To enable a development of a targeted treatment is important to understand what the cause is at the origin of the disorder and to act on this. For the treatment of the condition it is advisable to request a consult from your doctor and avoid any "DIY" remedy. Both in the case of psoriasis that onychomycosis, you should ask your doctor for advice on how to take care of the nail and avoid making mistakes that can worsen the condition.


When is most likely to contact your doctor in case of subungual hyperkeratosis?

In case of subungual hyperkeratosis, you should speak with your doctor, so he can prepare a targeted therapy.