Does psoriatic arthritis cause ridges in fingernails?
It’s often one of the first signs that you have the disease. The changes can take many forms. Your nails might crumble or come away from your finger. You might notice ridges, tiny dents called pits, spots of blood, or a yellow or brown color.
What nail changes occur with psoriatic arthritis?
With psoriatic arthritis, some people might experience changes with just a few nails while others might notice changes with all of their fingernails and toenails. Nail pitting. These small depressions in the nail plate are the most common nail symptom. Onycholysis.

What does psoriatic arthritis nails look like?
Color changes. White, yellow, or brown discoloration and/or reddish marks (aka splinter hemorrhages, which are caused by tiny burst blood vessels under the nails) are common among people with psoriatic arthritis.
Does psoriasis cause nail changes?
Articles On Psoriasis Locations Nail psoriasis alters the way your toenails and fingernails look. They may get thick, develop pinprick holes and change color or shape. They also can feel tender and hurt. You can treat these problems with medicine.

Can psoriasis cause nail ridges?
Inflammation of the matrix and proximal nail folds in psoriasis can cause transverse grooves and ridges within the nail plate, known as Beau’s lines [2, 13]. Beau’s lines usually occur on every fingernail or toenail.
Does psoriasis cause ridges in nails?
What causes ridging in fingernails?
What causes ridges in nails? Ridges in nails usually come from aging but can also indicate improper nail care, nail trauma, vitamin deficiency, or even a more pressing medical condition, according to 2022 research.
Why do I have ridges on my fingernails?
Vertical nail ridges are fairly common and nothing to worry about. Vertical nail ridges extend from the cuticle to the tip of the nail. With age, vertical nail ridges may become more numerous or prominent because of changes in cell turnover within the nail.
Is psoriatic arthritis worse than rheumatoid?
A study published in 2015 in the journal PLoS One found that the overall pain, joint pain, and fatigue reported by psoriatic arthritis patients was significantly greater than that reported by people with rheumatoid arthritis.
Why do my nails have longitudinal ridges?
The most common reason for the formation of the vertical or longitudinal ridges in the absence of actual disease is the lack of moisture and improper nutrition. As the nails age their capacity to absorb nutrients diminishes and this naturally affects their growth. The vertical ridges often form in aging nails.
Can psoriatic arthritis cause Beau’s lines?
Inflammation of the matrix and proximal nail folds in psoriasis can cause transverse grooves and ridges within the nail plate, known as Beau’s lines [2, 13].
What deficiency causes ridges on fingernails?
Our nails naturally develop slight vertical ridges as we age. However, severe and raised ridges can be a sign of iron deficiency anemia. Nutritional deficiencies, such as a lack of vitamin A, vitamin B, vitamin B12 or keratin can result in fingernail ridges. Hormonal changes can also cause ridges to appear.
How do I get rid of horizontal ridges on my nails?
For example, if you have developed Beau’s lines because of diabetes, successfully managing your blood sugar may reduce these horizontal fingernail ridges. Treatment for skin conditions like eczema may include moisturizers for your hands or topical ointments to reduce eczema symptoms.
Does psoriatic arthritis show up in blood work?
Psoriatic Arthritis Blood Test: HLA-B27 HLA-B27 is a blood test that looks for a genetic marker for psoriatic arthritis — a protein called human leukocyte antigen B27 (HLA-B27), which is located on the surface of white blood cells.
What can mimic psoriatic arthritis?
Conditions that can mimic psoriatic arthritis include:
- Axial spondyloarthritis.
- Enteropathic arthritis.
- Gout.
- Osteoarthritis.
- Plantar fasciitis.
- Reactive arthritis.
- Rheumatoid arthritis.
What is longitudinal ridging?
Longitudinal ridging refers to the vertical raised lines present on the nails. There may also be discoloration and thickening of the nails along with the ridging. A certain number of lines are typically found on all fingernails due to the basic aging process.
What are Beau lines on nails?
Beau’s lines are indentations that run across the nails. The indentations can appear when growth at the area under the cuticle is interrupted by injury or severe illness.
Why does my nail have horizontal ridges?
Beau’s lines are horizontal ridges or dents in one or more of your fingernails or toenails. They’re a sign that an illness, injury or skin condition interrupted your nail growth. Treating the underlying cause will allow new, smooth nails to grow again.