Nail Psoriasis
Nail psoriasis, a common manifestation of psoriasis, can affect both the fingernails and toenails. Many people think of psoriasis as a skin disorder but it can affect the joints and nails as well. Because nail psoriasis often resembles fungal infections, trauma, or other nail disorders, an accurate diagnosis by a nail expert is essential. Now you can get expert nail care from one of the only nail dermatologists in the country with an easy-to-access telehealth appointment.
What Is Nail Psoriasis?
Nail psoriasis is a chronic autoimmune inflammatory condition that affects the nail matrix, nail bed, or both. Nail psoriasis is common, affecting about half of people with psoriasis, especially those with psoriatic arthritis. In some patients, nail changes are the first or even only sign of psoriasis, making diagnosis challenging. Nail psoriasis can appear as pitting, discoloration, thickening, nail lifting (onycholysis), crumbling, and debris beneath the nail. Because these findings closely resemble fungal infections and other nail disorders, many patients are mistakenly diagnosed with nail fungus and undergo months or even years of unnecessary treatment.
When Should You Seek an Evaluation for Nail Psoriasis?
If you’re experiencing any of the following nail changes, an evaluation may be warranted.
Nail pitting (small pinpoint depressions in the nail surface)
Nail lifting from the nail bed (onycholysis)
Yellow, brown, or salmon-colored discoloration (“oil drop” or “salmon patch” changes)
Thickened, crumbling or brittle nails
Debris beneath the nail (subungual hyperkeratosis)
White spots, irregular nail surface, or red spots in the half moon
Splinter hemorrhages (tiny dark longitudinal lines beneath the nail)
Pain or tenderness around the nail
Changes affecting one or multiple nails
Psychological distress or embarrassment related to nail appearance
What Causes Nail Psoriasis?
Nail psoriasis, an autoimmune inflammatory disease in which the immune system mistakenly targets the healthy nail unit, can cause inflammation of the nail matrix, the nail bed, or both. As a result, a wide variety of nail changes can be seen with this condition. In some individuals, nail disease may be the only manifestation of psoriasis, making diagnosis particularly difficult. Genetics play an important role, and nail psoriasis often runs in families. Trauma to the nails including repeated picking, biting, aggressive manicures, or occupational injury can trigger or worsen nail psoriasis in susceptible individuals through what is known as the Koebner phenomenon.
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How Dr. Stern Evaluates Nail Psoriasis Virtually
For both asynchronous e-visit and live video consults, Dr. Dana Stern will review your photos and intake forms, prior treatments and your current medications and health history. For asynchronous e-visits, you will receive a detailed treatment plan to share with your local healthcare provider, including recommendations for imaging, procedures, or additional evaluation when needed. During live video consultations, Dr. Stern can prescribe medications when appropriate, coordinate laboratory testing if appropriate, and recommend local procedures such as nail biopsy, or imaging when indicated.
Nail Psoriasis Treatment Options
Your individualized treatment plan will depend on the severity of your nail disease, the number of nails involved, whether your skin or joints are also affected, and any previous treatments you have tried.
Possible treatment approach:
Prescription topical medications
Intralesional corticosteroid injections when appropriate. Dr. Stern can guide your local provider with the best regimen for this.
Oral or biologic medications in patients with more extensive psoriasis
Treatment of associated skin psoriasis
Evaluation for possible psoriatic arthritis when indicated
Laboratory testing to rule out fungal infection
Nail care recommendations to minimize trauma
Monitoring nail growth and treatment response over time
Local care coordination with your dermatologist or rheumatologist when needed
Explore Options for Persistent Nail Psoriasis
If your nail psoriasis has not improved despite topical medications, steroid injections, oral medications, biologic therapy, or repeated treatment attempts, Dr. Stern will carefully review your diagnosis, treatment history, and response to previous therapies to determine why improvement has been limited. Treatment failure may occur because nail psoriasis was mistaken for another condition, a fungal infection was present at the same time, the medication did not adequately reach the site of inflammation, the wrong treatment was used, or the treatment was not continued long enough to allow healthy nail growth. Dr. Stern will develop an individualized treatment strategy based on your specific nail findings and overall medical history.
About Dr. Stern
Dr. Dana Stern is a board-certified dermatologist with more than 20 years of experience treating nail disorders. Her practice is devoted exclusively to nail health, and she is a nationally recognized expert, published author, and frequent speaker on nail disease. Recognized by Castle Connolly and Super Doctors and regularly featured in the media, Dr. Stern provides convenient, expert care through her specialized virtual nail consultation practice.
Start Your Virtual Nail Consultation
If you’re experiencing pitting, nail lifting, thickening, discoloration, or other persistent nail changes, Dr. Stern can help determine whether nail psoriasis is the cause and develop an individualized treatment plan. Through a secure virtual consultation, you’ll receive an expert evaluation focused on preserving healthy nail growth, improving nail appearance, and reducing inflammation.
New Patients
For patients who would like to begin care with Dr. Stern through a virtual nail consultation.
Current Patients
For established patients who need a follow up visit, medication review, treatment update, or ongoing nail care guidance.
Nail Psoriasis FAQ
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Yes. In many cases, Dr. Stern can diagnose nail psoriasis through a careful review of your medical history, nail photographs, and symptoms. If additional testing is needed to rule out nail fungus or another nail disorder, she will explain exactly what testing is recommended. During a live video consultation, Dr. Stern can also coordinate appropriate laboratory testing and prescribe medications when indicated.
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Yes. Through a live video consultation, Dr. Stern can prescribe topical medications and other treatments when appropriate. If an asynchronous e-visit is the better fit for your needs, she will provide a personalized treatment plan with recommendations that you can take to your local healthcare provider.
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Absolutely. Nail psoriasis is one of the most common conditions confused with nail fungus. Both can cause nail thickening, discoloration, debris beneath the nail, and nail lifting (onycholysis). Because treatment for these conditions is entirely different, making the correct diagnosis is essential before beginning therapy.
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Yes. Although many patients with nail psoriasis also have psoriasis affecting their skin, some develop nail changes before any skin lesions appear, and others may have nail psoriasis alone. This is one reason why evaluation by a dermatologist with expertise in nail disease is so important.
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Nail psoriasis improves gradually because the nail must grow out as inflammation is brought under control. Fingernails generally require four to six months to fully grow out, while toenails often require 12 to 18 months. Most treatments require several months before noticeable improvement occurs.
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Not always. In many cases, nail psoriasis can be diagnosed based on your medical history, nail examination, and characteristic clinical findings. However, because nail psoriasis often closely resembles nail fungus, laboratory testing may be recommended to rule out a fungal infection before treatment begins. Dr. Stern will determine whether testing is appropriate based on your individual nail findings and treatment history.
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You will receive links to either your email or text that contain our demographic form, consent form, nail questionnaire and photo upload instructions. Our staff is always available to help should you have any questions or issues.