Rheumatoid Arthritis: Symptoms, Causes, and Treatment

Rheumatoid arthritis (RA) is an autoimmune condition where the immune system mistakenly attacks the joints, leading to inflammation, pain, and stiffness. It commonly affects the hands, feet, and wrists symmetrically. Early symptoms include morning stiffness lasting over 30 minutes, joint swelling, and fatigue. While there’s no cure, medications and lifestyle changes can help manage symptoms and slow progression. Talk to a doctor if you experience persistent joint pain or stiffness.

In plain words

Rheumatoid arthritis (RA) is a disease where the body's defense system attacks your joints. This causes pain, swelling, and stiffness. Unlike regular arthritis from wear and tear, RA happens when your immune system gets confused. It often affects the same joints on both sides of the body, like both hands or both knees. Morning stiffness that lasts more than 30 minutes is common. RA can also make you feel very tired. While there's no cure, treatments can help control symptoms and prevent joint damage. If you have ongoing joint pain or stiffness, see a doctor.

What is Rheumatoid Arthritis: Symptoms, Causes, and Treatment?

Symptoms

Early symptoms

Joint pain and stiffness: Pain and stiffness, especially in the mornings or after inactivity, often lasting more than 30 minutes. Commonly affects the hands, feet, and wrists. (2) (5) (8)
Joint swelling and tenderness: Swelling and tenderness in multiple joints, often symmetrically (both sides of the body). The affected joints may feel warm to the touch. (2) (5) (8)
Fatigue: Persistent tiredness and lack of energy, unrelated to activity levels. This is a common early sign of RA. (5) (8)
Morning stiffness: Stiffness that lasts for at least 30 minutes after waking up, improving with movement. This is a hallmark symptom of RA. (2) (5)

Serious or emergency symptoms

Joint deformity: Untreated RA can lead to permanent joint damage and deformities, such as crooked fingers or wrists. Seek medical attention to prevent progression. (2) (8)
Chest pain or difficulty breathing: RA can affect the lungs and heart, leading to chest pain, shortness of breath, or inflammation of the heart lining (pericarditis). Seek emergency care immediately. (2) (8)
Sudden vision changes: RA can cause inflammation of the eyes (scleritis or uveitis), leading to pain, redness, or vision loss. Contact an eye specialist immediately. (8)

Causes

Primary causes

Autoimmune response: RA occurs when the immune system mistakenly attacks the synovium (the lining of the membranes that surround the joints), causing inflammation and joint damage. (1) (5) (8)
Genetic factors: Certain genes, such as HLA-DR4, increase the risk of developing RA. Family history of the condition is a strong risk factor. (1) (8)
Environmental triggers: Factors like smoking, infections, or hormonal changes can trigger RA in genetically predisposed individuals. (1) (8)

Risk factors

Gender

Women are more likely to develop RA than men, possibly due to hormonal differences. (1) (8)

Age

RA most commonly begins between the ages of 40 and 60, though it can occur at any age. (1) (8)

Smoking

Smoking significantly increases the risk of RA, especially in individuals with a genetic predisposition. (1) (8)

Family history

Having a close relative with RA increases your risk of developing the condition. (1) (8)

Diagnosis

RA is diagnosed through a combination of clinical evaluation, blood tests, and imaging. A rheumatologist will assess joint swelling, tenderness, and stiffness. Blood tests check for rheumatoid factor (RF) and anti-cyclic citrullinated peptide (anti-CCP) antibodies. Imaging, such as X-rays or MRIs, may reveal joint damage or inflammation. Early diagnosis is crucial to prevent irreversible joint damage.

Physical exam

To assess joint swelling, tenderness, and range of motion. The doctor will look for symmetrical joint involvement. (3) (6)

Blood tests

To check for rheumatoid factor (RF) and anti-CCP antibodies, which are often present in RA. Elevated inflammatory markers like ESR and CRP may also be detected. (3) (6)

Imaging

X-rays, MRIs, or ultrasounds can show joint damage, inflammation, or bone erosion. (3) (6)

Treatment

Medication options

Disease-modifying antirheumatic drugs (DMARDs)

These medications slow disease progression and prevent joint damage. Methotrexate is the most commonly prescribed DMARD. (4) (7) (9)

Biologic agents

These target specific parts of the immune system to reduce inflammation and prevent joint damage. (4) (7)

Corticosteroids

These reduce inflammation and pain, often used during flare-ups or while waiting for DMARDs to take effect. (4) (7)

Lifestyle and self-care

Regular exercise: Low-impact exercises like swimming, walking, or yoga can improve joint flexibility, reduce pain, and strengthen muscles. (4) (7)
Healthy diet: A balanced diet rich in anti-inflammatory foods (e.g., fruits, vegetables, omega-3 fatty acids) can help manage symptoms. (4) (9)
Stress management: Techniques like meditation, deep breathing, or therapy can help reduce stress, which may worsen RA symptoms. (4) (7)
Assistive devices: Using tools like jar openers, ergonomic keyboards, or joint splints can make daily tasks easier and reduce strain on joints. (7) (9)

Always discuss dosing and treatment changes with your own prescriber.

Possible complications

Cardiovascular disease: RA increases the risk of heart disease, including heart attacks and strokes, due to chronic inflammation. (9)
Lung disease: RA can cause inflammation of the lung lining or scarring of lung tissue, leading to breathing difficulties. (9)
Osteoporosis: Chronic inflammation and long-term corticosteroid use can weaken bones, increasing fracture risk. (9)
Joint deformities: Untreated RA can cause permanent joint damage, leading to deformities like swan-neck or boutonniere fingers. (9)

When to see a doctor

Routine follow-up

Talk to your doctor if you experience persistent joint pain, stiffness, or swelling, especially in the morning. (3) (6)
Regular check-ups are important to monitor RA progression and adjust treatment as needed. (3)

Seek emergency care

Seek emergency care if you experience chest pain, difficulty breathing, or sudden vision changes. (2) (8)
Call emergency services immediately if you suspect a medication overdose or severe reaction. (4)

Frequently asked questions

What is Rheumatoid Arthritis?

Rheumatoid arthritis (RA) is a chronic autoimmune disease where the immune system mistakenly attacks the joints, causing pain, swelling, and stiffness. It can also affect other body systems, such as the heart, lungs, and skin. (1) (5)

What are the first signs of Rheumatoid Arthritis?

Early signs include joint pain, stiffness (especially in the morning), swelling, and fatigue. Symptoms often occur symmetrically in multiple joints. (2) (5)

What causes Rheumatoid Arthritis?

RA is caused by an autoimmune response where the immune system attacks the joints. Genetic factors, environmental triggers (e.g., smoking), and hormonal changes play a role. (1) (8)

How is Rheumatoid Arthritis treated?

Treatment includes medications like DMARDs, biologics, and steroids to reduce inflammation and slow disease progression. Physical therapy and lifestyle changes also help manage symptoms. (4) (7)

Can Rheumatoid Arthritis be cured?

There is no cure for RA, but early treatment can manage symptoms, prevent joint damage, and improve quality of life. (4) (7)

References

CDC — Rheumatoid Arthritis (RA) source 1
CDC — Rheumatoid Arthritis (RA) source 2
CDC — Rheumatoid Arthritis (RA) source 3
CDC — Rheumatoid Arthritis (RA) source 4
NHS — Rheumatoid arthritis source 5
NHS — Rheumatoid arthritis - Diagnosis source 6
NHS — Rheumatoid arthritis - Treatment source 7
Mayo Clinic — Rheumatoid arthritis source 8
MedlinePlus — Rheumatoid Arthritis source 9