Psoriatic Arthritis: Symptoms, Causes & Treatment

Psoriatic arthritis is a chronic inflammation that affects patients with psoriasis, an autoimmune illness. Psoriatic arthritis is characterized by the swelling of the entire fingers and toes, giving them a sausage-like look. This frequently occurs in conjunction with nail modifications such as depressions in the nail (pitting), thickening of the nails, and nail separation from the nailbed.

Psoriatic Arthritis can range from minor to severe conditions, affecting any area of the body, including the fingertips and spine. The disease flare-ups and remissions can occur in both psoriasis and psoriatic arthritis.

Read More: Rheumatoid Arthritis

Key Terms: Psoriatic Arthritis, Psoriasis, Diagnosis, Swollen, Fingers, Foot, Infection, Treatment, Body, Patients, Disease

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What is Psoriatic Arthritis?

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Psoriatic Arthritis is an auto-immune condition and is a form of inflammatory arthritis most commonly seen in the majority of people having Psoriasis. 

• Most patients get psoriasis years before they are given a psoriatic arthritis diagnosis.
• Psoriatic arthritis has no known treatment option. The goal of treatment is to manage symptoms and stop joint deterioration. 
• Psoriatic arthritis without therapy can be incapacitating.
• Genetics has a significant role in the onset of psoriatic arthritis.
• Men and women are equally affected by the illness, though those of Asian or African heritage are less likely to have it.
• Psoriasis and psoriatic arthritis are both chronic conditions that get worse over time.
• An unusual form of arthritis that deforms your joints is called psoriatic arthritis mutilans. It may result in shorter fingers and toes.

Psoriasis Vs Psoriatic Arthritis

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Symptoms of Psoriatic Arthritis

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One or both sides of the human body may be affected by psoriatic arthritis in the joints. Psoriatic arthritis symptoms and signs frequently match rheumatoid arthritis symptoms and indications. There may be times when the symptoms become better or disappear momentarily. Both disorders result in painful, swollen, and warm-to-the-touch joints.

Psoriatic arthritis is more likely to result in the following conditions:

Swollen fingers

 Psoriatic arthritis may result in painful, sausage-like swelling of your fingers and toes.

Foot Discomfort

Psoriatic arthritis can also produce pain where tendons and ligaments join to your bones, particularly in the Achilles tendon or the bottom of your foot (Achilles tendinitis) (plantar fasciitis).

Lower Backache

Psoriatic arthritis can cause spondylitis, which affects some persons. Spondylitis primarily results in inflammation of the joints in the spine of the vertebrae and the joints in your pelvis (sacroiliitis).

Nail Damage

The surface of the nail might crack, disintegrate, or split from the nail bed.

Inflamed Eyes

Eye pain, redness, and blurred vision can all be symptoms of Psoriatic arthritis. Psoriatic arthritis can cause eyesight loss if it is not treated.

Symptoms of Psoriatic Arthritis

Read More: Bones of the Foot

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Causes of Psoriatic Arthritis

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Some of the prominent causes for psoriatic arthritis are as follows:

• When your body's immune system targets healthy cells and tissue, psoriatic arthritis develops. 
• The joints become inflamed as a result of the immunological reaction, which also overproduces skin cells.
• It appears likely that this immune system response is influenced by both hereditary and environmental variables. 
• Many persons who suffer from psoriatic arthritis have a family history of the condition
•  A few genetic markers have been identified by researchers that seem to be connected to psoriatic arthritis.
• In persons who have an inherited propensity, physical trauma or anything in the environment, such as a viral or bacterial infection, may cause psoriatic arthritis.

Domains of Psoriatic Arthritis

Read More: Leprosy

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Diagnosis of Psoriatic Arthritis

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During the Medical Test, the medical professional will,

• Check the joints for any signs of soreness or swelling
• Look out for flaking, pitting, and other abnormalities in your fingernails.
• To feel for any tender spots, the soles of the feet and the area surrounding the heels are pressed.

Psoriatic arthritis cannot be diagnosed by a single test. However, specific tests can rule out other causes of joint discomfort, such as gout or rheumatoid arthritis or rheumatoid arthritis.

• X-rays can assist in identifying changes in the joints that are unique to psoriatic arthritis and do not occur in other forms of arthritis.
• MRI creates precise photographs of the body's hard and soft tissues using radio waves and a strong magnetic field. An MRI can be used to look for issues on the lower back and feet's tendons and ligaments.
•  Rheumatoid element(RF) is an antibody that is frequently found in the blood of rheumatoid arthritis patients but not typically in the blood of psoriatic arthritis patients. The doctor can differentiate between the two conditions with the use of this test.
• Joint fluid test: The doctor can take a tiny sample of fluid from one of the damaged joints typically the knee using a needle. If uric acid crystals are found in the joint fluid rather than psoriatic arthritis, one would have to check for gout. Additionally, gout and psoriatic arthritis are also treatable conditions.

Read More: NCERT Solutions for Microbes in Human Welfare

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Treatment for Psoriatic Arthritis

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There is no treatment for psoriatic arthritis. Controlling skin involvement and reducing inflammation in your affected joints are the main goals of treatment. Joint discomfort and incapacity are also prevented. Prescription pharmaceuticals known as disease-modifying antirheumatic drugs are one of the most often used treatments (DMARDs).

The severity and the afflicted joints will determine how one should be treated. Some of the treatment options are:

Nonsteroidal Anti-Inflammatory Drugs (NSAIDs)

These drugs aid in reducing inflammation and joint pain. Options available over-the-counter (OTC) include naproxen (Advil) and ibuprofen (Aleve). If over-the-counter remedies don't work, the doctor might prescribe NSAIDs in greater doses.

Inappropriate use of NSAIDs can result in gastrointestinal discomfort and some of the following:

1. Abdominal bleeding
2. Chest pain
3. Stroke
4. Damaged liver and kidney

Disease-Modifying Antirheumatic Drugs (DMARDs)

These drugs lessen inflammation, preventing joint injury and delaying the onset of Psoriatic Arthritis. They can be given by a number of methods, including oral, intravenous, or infusion.

The DMARDs that are most frequently administered are:

1. Methotrexate (Trexall)
2. Leflunomide (Arava)
3. Sulfasalazine (Azulfidine)

A more recent DMARD that is taken orally is called apremilast (Otezla). It functions by inhibiting the inflammatory enzyme phosphodiesterase 4. Side effects of DMARDs include:

1. Liver injury
2. Inhibition of the bone marrow
3. Infected lungs

Biological Drugs

There are five different biological medication types available to treat psoriatic arthritis. They are divided into groups based on the bodily processes they aim to target and inhibit (stop or lessen):

TNF-alpha (tumor necrosis factor-alpha) inhibitors

• Adalimumab (Humira)
• Certolizumab (Cimzia)
• Golimumab (Simponi)
• Etanercept (Enbrel)
• Infliximab (Remicade)

Inhibitors of interleukin 12 and 23 (IL-12/23)

• Ustekinumab (Stelara)

IL-17 (interleukin 17) inhibitors

• Secukinumab (Cosentyx) (Cosentyx)
• Ixekizumab (Taltz)

Inhibition of interleukin 23 (IL-23)

• Guselkumab (Tremfya)

T-cell blockers

• Abatacept (Orencia)

Biologics are administered either as an intravenous infusion or as an injection under the skin. These medicines can make one more susceptible to life-threatening infections because they suppress the immune system. Consequences including nausea and diarrhea are also present. Some of the common symptoms:

Steroids

These drugs have the ability to reduce inflammation. They are typically injected into the troubled joints for Psoriatic Arthritis Pain and a very tiny chance of joint infection are side effects.

Immunosuppressant

The hyperactive immune response in Psoriatic Arthritis can be controlled with drugs like azathioprine (Imuran) and cyclosporine (Gengraf), especially for the symptoms of psoriasis. With the advent of TNF-alpha inhibitors, their use has decreased. Immunosuppressants can make you more susceptible to infections since they impair the immune system.

Therapy

Occupational and physical therapy may reduce discomfort and make it simpler to do daily duties. Additionally, massage therapy could be helpful.

• Both surgical and other procedures
• Injections of steroids: an inflamed joint may benefit from injections to minimize swelling.
• Joint Replacement: it is possible to replace some severely damaged joints caused by psoriatic arthritis with artificial ones composed of metal and plastic.

Read More: Polyarthritis

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Lifestyle Changes

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Some of the notable lifestyle changes to adopt in order to avoid psoriatic arthritis are:

Safe Joints

The way one carries out routine duties can affect how you feel. For instance, move heavy objects with both hands, use jar openers to screw jar lids off, and push doors open with your entire body rather than just your hands.

Healthy Weight

The human joints will be less stressed owing to a healthy weight which will lessen discomfort and boost energy and mobility. If necessary, losing weight can also improve the way the drugs function. Some psoriatic arthritis drugs work less well in obese patients.

Regular Exercise

Exercise can maintain the muscles and joints to stay strong and flexible. Biking, swimming, strolling, yoga, and tai chi are examples of exercises that are less taxing on the joints.

Quit Smoking

Smoking raises the likelihood of getting psoriasis and makes the condition's symptoms worse.

Less Alcohol Intake

Limiting alcohol consumption might worsen the negative effects of some medications, like methotrexate, and lessen the efficiency of your treatment.

Take it Slow

Fighting inflammation and pain can wear one out. Some anti-arthritis drugs can also make one tired. Kee[ing on moving, but taking a break before one gets too worn out. Break up the work or workout into manageable segments. Finding moments during the day to unwind.

Healthy Lifestyle Changes

Read More: Microbes in Human Welfare MCQs

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Risk Factors 

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The risk of developing psoriatic arthritis may be affected by a number of factors as listed below:

• Psoriasis: The single biggest risk factor for getting psoriatic arthritis is having psoriasis.
• Family Inheritance: Many psoriatic arthritis sufferers have a parent or sibling who also has the condition.
• Age: Psoriatic arthritis can affect anyone, however it most frequently affects individuals between the ages of 30 and 55.

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Severe Complications 

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Arthritis mutilans is a severe, painful, and disabling form of psoriatic arthritis that only a small number of persons with the condition experience. The tiny bones of the hands, particularly the fingers, are gradually destroyed by arthritis mutilans, resulting in incapacity and irreversible disfigurement. Additionally, certain individuals with psoriatic arthritis have an increased risk of developing cardiovascular disease, metabolic syndrome, hypertension, and diabetes.

Read More: Diabetes Mellitus Vs Diabetes Insipidus

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Things to Remember

• People with mild to extremely severe psoriatic skin disease are at risk for developing psoriatic arthritis.
• About 10 years after the onset of the initial psoriasis symptoms, psoriatic arthritis typically manifests. 
• The condition can also afflict young children. For the majority of adults, this is between the ages of 30 and 55. 
• Children are more likely than adults to have the development of psoriatic arthritis symptoms prior to experiencing those of cutaneous psoriasis.
• Psoriatic nail lesions, which include nail pitting, separation of the nail from the nail bed beneath, ridging and cracking, or, more seriously, loss of the nail itself, are seen in more than 80% of patients with psoriatic arthritis (onycholysis).
• When skin changes are minor or nonexistent, it may be difficult to distinguish psoriatic arthritis from other types of arthritis.
• Distal interphalangeal predominance, asymmetric oligoarticular, symmetric polyarthritis, spondylitis, and arthritis mutilans are the five kinds of psoriatic arthritis.

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Previous Year Questions

1. Which is not correctly matched? [MET 2007]
2. Which is a non-symbiotic biofertilizer? [NEET 1998]
3. Saccharomyces cerevisiae is used in the commercial production of? [NEET 1998]
4. A common biocontrol agent for the control of plant diseases is? [NEET 2010]
5. Which of the following is not used as a biopesticide? [NEET 2009]
6. A good producer of citric acid is? [NEET 2003]
7. A major component of gober gas is? [NEET 2004]
8. Select the correct group of biocontrol agents. [NEET 2019]
9. Which proved effective for biological control of nematodal diseases in plants? [NEET 2008]
10. An organism used as a biofertilizer for raising soyabean crop is? [NEET 2011]
11. Cochineal insects have proved very useful for? [NEET 1996]
12. Continuous addition of sugars in 'fed batch' fermentation is done to? [NEET 2011]
13. Domestic sewage of large cities? [NEET 2012]
14. During anaerobic digestion of organic waste which one of the following is left undegraded? [NEET 2003]
15. During sewage treatment biogas produced includes? [NEET 2013]
16. During the formation of bread, it becomes porous due to the release of CO2 by the action of? [NEET 2002]
17. Ethanol is commercially produced through a particular species of? [NEET 2011]
18. In gobar gas, the maximum amount is that of? [NEET 2012]