Nail Psoriasis


Nail Psoriasis. Psoriasis on the nails. Nail psoriasis is usually diagnosed as onychodystrophy or is even mistaken it for the classic fungal infections (onychomycosis). Apart from the pain, in the case of nail psoriasis changes are observed in the nail appearance.


Nail psoriasis

The nail involvement occurs in over 50% of psoriasis patients and in 70% of patients with concomitant joint involvement. Only in 5% of cases this is the only manifestation of the disease. The fingernails are more affected than the toenails. There are generally involved more fingers, although the nail dystrophy may be limited to a single nail. The symptoms in the nail are variable and can be variously associated in the same individual.


This form of psoriasis affects mostly young people aged 20 to 30 but can also occur in newborns or older people in various forms, from the mildest to the most severe. Nail psoriasis often precedes the appearance of symptoms in other areas of the body.


Hereditary and environmental factors can promote the onset of this pathology.


The influence of the hereditary factor is still uncertain and not yet definitively ascertained, while the correlation with the genetic factor is considered relatively certain, also as a latent factor that can be triggered by traumas, both psychologically and physically.


Nail psoriasis, like other forms, has a cyclical pattern, with periods of recrudescence of symptoms alternating with phases of remission.

There is a measurement scale used by dermatologists to diagnose the severity of the disease and measure the progress of the therapies. This is the NAPSI (Nails Psoriasis Severity Index).


Even for dermatologists it is sometimes difficult to distinguish nail psoriasis from other diseases with similar symptoms, such as onychomycosis.


Nail psoriasis can affect one or more nails, hands and/or feet.


When the nail shows the surface formed of small protuberances that alternate with small depressions, it is called "pitting" or "thimble of the seamstress".


In some cases nail psoriasis manifests itself with a rough nail surface, almost as if a strong abrasion had been applied. Sometimes intense red stains may appear under the nail, especially in the center. In other cases, the pathology can also lead to the detachment of the nail, starting from the upper part, near the cuticle.


The detachment of the nail can also occur due to the thickening of the nail. In this case we talk about "hyperkeratosis", which consists of the abnormal growth of scales that accumulate and acquire a yellowish or intense white color.


According to some research, psoriasis can be symptomatic of the possible onset of joint diseases such as rheumatism.


Other manifestations of psoriasis on the nails are the pinkish or yellowish pink spots. Over time they can deform the nail structure of both the bed itself and the white part of the growth, called the "distal margin".


For the treatment of this form of psoriasis formulated topical creams based on "keratolytics" that have exfoliating and softening power can be prescribed. Another option is urea-based enamel, which, however, requires a long time to make effective improvements.


The use of Psotherapy® Body Wash and Psotherapy® Regenerating Moisturizing Cream, thanks to their moisturizing and emollient properties, allows to obtain excellent results even in the case of nail psoriasis.


If you have not got any good results with other psoriasis products, try Psotherapy the natural remedy, successfully tested by millions of people around the world, without contraindications or side effects.




The information in this site is for informational purposes only, in no case may constitute the formulation of a diagnosis or the prescription of a treatment; it’s not intended and must not in no way replace the direct doctor-patient relationship or the specialist visit; it is recommended to always ask the opinion of your doctor and/or specialists about any indication given. If you have doubts or questions about the use of a Psotherapy product do not hesitate to contact your doctor. Read the Disclaimer »



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