the Effects of Psoriatic Arthritis on the Body

Effects of Psoriatic Arthritis

Psoriatic arthritis is a form of arthritis that affects people diagnosed with the skin disorder psoriasis. People with psoriasis experience flare-ups of red, patchy skin or skin lesions. According to the American College of Rheumatology, about 15 percent of people with psoriasis develop arthritis, although in some cases, the arthritis is diagnosed before the skin disorder.

Psoriatic arthritis is a chronic condition. Anyone can get it, but it is most often diagnosed in middle age. There is no cure, so treatment is targeted toward symptom management and preventing permanent joint damage.

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Psoriatic arthritis affects many parts of the body. Symptoms range from mild to disabling, and may come and go.

Skeletal System

Psoriatic arthritis causes inflammation in the joints. It can affect a single joint or many throughout the body. Stiffness, swelling, and joint pain are classic symptoms of psoriatic arthritis. Inflammation in the knees or shoulders can limit range of motion, making it hard to move freely. It can cause severe neck and back pain, and make it difficult for the spine to bend (spondylitis).

Imaging tests, like MRI, CT scans, and X-rays can identify the classic signs of arthritis in the joints, and are useful in diagnosing the condition.

Fingers and toes may swell (dactylitis), causing a sausage-like appearance. One of the more common symptoms of psoriatic arthritis is soreness where the tendons and ligaments connect to the bones (enthestitis). This causes pain in the heel (Achilles tendinitis), sole of the foot (plantar fasciitis), and around the elbows.

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Low-impact exercise, especially water exercise, can help keep joints flexible. For some patients, physical and occupational therapy can strengthen muscles and improve flexibility. Walking is one of the best exercises, and shoe inserts can help lessen impact on joints.

About five percent of people with psoriatic arthritis develop arthritis mutilans, according to the Spondylitis Association of America. This is a less common, but more severe form of arthritis that can destroy the joints of the hands and feet and cause permanent disfigurement and disability.

Integumentary System (Skin, Hair, and Nails)

Psoriasis is a chronic skin disorder that causes rough, red patches to form on the skin. It can sometimes look like silvery scales. Symptoms include tenderness and itching. The patches can form anywhere, but tend to show up more around the elbows, knees, hands, and feet. The skin around the joints can appear cracked. In some cases, skin lesions or blisters may form. A skin biopsy can be used to confirm the diagnosis of psoriasis, and topical medications may offer relief.

Patches on the scalp can range from what resembles a mild case of dandruff, to quite severe shedding. Scratching may cause flakes in your hair and on your shoulders. Fingernails and toenails may become thick, ridged, or discolored. They can grow abnormally, crumble, or even separate from the nail bed (oncycholysis).

Psoriasis can be mild, or it can be severe enough to impact quality of life. Symptoms may flare up periodically, and then go into remission.

Eyes & Vision

Studies have found that psoriasis can also lead to vision problems. Inflammatory lesions such as conjunctivitis are the most likely side effect. In very rare cases, psoriasis causes a loss of vision. Uveitis, a condition in which the middle layer of the eye (uvea) swells, is another complication related to psoriatic arthritis.

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The Musculoskeletal System

Chronic inflammation can damage the cartilage that covers the ends of bones. As the disease progresses, damaged cartilage causes the bones to rub against each other. Besides weakening the bones, this process weakens surrounding ligaments, tendons, and muscles. Weak muscles cannot adequately support the joints. Furthermore, inactivity can compound the problem.

It’s important that people with arthritis continue to engage in regular, moderate exercise to keep muscles strong. Ask your doctor to recommend an exercise program or physical therapist who can teach you how to exercise without stressing your joints.

The Immune System

Psoriatic arthritis is an autoimmune condition. Your immune system is designed to protect you from foreign invaders like viruses and bacteria. Sometimes, the body mistakenly attacks healthy tissue. In the case of psoriatic arthritis, the attack includes the joints. Psoriatic arthritis is a lifelong condition, but you may experience periodic attacks followed by remission.

Mental Health

Physical pain and discomfort, along with the chronic nature of the disease, can have an impact on your emotional health. Some people with psoriatic arthritis may be prone to moodiness. According to the National Psoriasis Foundation, psoriasis is associated with feelings of embarrassment, low self-esteem, and depression, especially among those who have not found a way to manage the disease effectively.

People with chronic illnesses can sometimes benefit from support groups or counseling.

General Health

People with arthritis often report generalized fatigue. Psoriasis patients have a slightly raised risk of developing high blood pressure, high cholesterol, or diabetes. It’s important that people with chronic illness make healthy lifestyle choices that will promote overall good health and well-being. A healthy diet, regular moderate exercise, and a good night’s sleep go a long way towards helping you reach that goal.

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