Psoriatic onychodystrophy

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Prab R. Tumpati, MD — Editor-in-Chief, WikiMD Medical Encyclopedia
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Psoriatic onychodystrophy
File:NailPsoriasis.JPG Nail showing signs of psoriatic onychodystrophy
Synonyms	Psoriatic nail dystrophy, psoriatic nails
Pronounce	N/A
Specialty	N/A
Symptoms	Nail pitting, onycholysis, subungual hyperkeratosis, nail discoloration
Complications	Nail pain, functional impairment, cosmetic concerns
Onset	Can occur at any age, often associated with psoriasis
Duration	Chronic
Types	N/A
Causes	Psoriasis, autoimmune disorder
Risks	Family history of psoriasis, psoriatic arthritis
Diagnosis	Clinical examination, nail biopsy
Differential diagnosis	Onychomycosis, trauma, lichen planus
Prevention	N/A
Treatment	Topical corticosteroids, systemic therapy, phototherapy
Medication	Methotrexate, cyclosporine, biologics
Prognosis	N/A
Frequency	Affects up to 50% of individuals with psoriasis
Deaths	N/A

Psoriatic onychodystrophy

Psoriatic Onychodystrophy is a condition that affects the nails of individuals suffering from psoriasis. It is characterized by changes in the nail's appearance, including discoloration, pitting, and thickening.

Symptoms

The symptoms of psoriatic onychodystrophy can vary, but often include:

• Nail discoloration: The nails may become yellow-brown.
• Nail pitting: Small dents or pits appear on the surface of the nails.
• Onycholysis: The nails may separate from the nail bed.
• Subungual hyperkeratosis: A chalky white material accumulates under the nail.
• Nail thickening: The nails may become thick and hard.

Causes

Psoriatic onychodystrophy is caused by psoriasis, a chronic skin condition. The exact reason why psoriasis affects the nails is not fully understood, but it is thought to be related to inflammation in the nail bed.

Diagnosis

Diagnosis of psoriatic onychodystrophy is usually based on the characteristic appearance of the nails. In some cases, a nail biopsy may be performed to confirm the diagnosis.

Treatment

Treatment for psoriatic onychodystrophy focuses on managing the symptoms and includes:

• Topical treatments: These are applied directly to the nails and may include corticosteroids, vitamin D analogues, or tazarotene.
• Systemic treatments: These are taken orally or injected and may include methotrexate, cyclosporine, or biologic therapies.
• Nail care: Keeping the nails short and avoiding injury can help reduce symptoms.

See also

• Psoriasis
• Nail disease