Doctor's Notes on Nail Psoriasis
Psoriasis is a common, chronic skin condition that usually manifests as patches of raised, red skin with silvery scales. These skin changes in psoriasis usually occur on the elbows, scalp, knees, and trunk. Psoriasis can also affect the fingernails and toenails. The cause of psoriasis is not well understood, although it is known to run in families. Nail psoriasis most likely is caused by a combination of genetic (inherited), immunologic, and environmental factors.
Signs and symptoms of nail psoriasis include
- thickened nails,
- ridges in the nails,
- nails loosening from the nail bed, and
- irregular contour of the nails.
Other associated symptoms and signs can include
- crumbling of the nails,
- white areas on the nail plate,
- furrows known as Beau's lines that run across the nails, and
- thickened skin beneath the nail bed.
What Is the Treatment for Nail Psoriasis?
Treatment for early or mild nail psoriasis involve treatments that can be applied directly to the nails, such as corticosteroids or tazarotene. If stronger treatments are needed, these can include the following:
Psoriasis : Test Your Medical IQ QuizQuestion
Psoriasis causes the top layer of skin cells to become inflamed and grow too quickly and flake off.See Answer
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Kasper, D.L., et al., eds. Harrison's Principles of Internal Medicine, 19th Ed. United States: McGraw-Hill Education, 2015.