Autoimmune
Rheumatoid Arthritis
About Rheumatoid Arthritis
Rheumatoid arthritis (RA) is a chronic autoimmune disease where the body's immune system mistakenly attacks its own tissues, primarily affecting the lining of the joints. This can lead to painful swelling, bone erosion, and joint deformity.
Common Symptoms
- Joint pain and stiffness, often worse in the mornings or after inactivity
- Swelling and tenderness in multiple joints, typically small joints of the hands and feet
- Fatigue
- Low-grade fever
- Loss of appetite
- Rheumatoid nodules (firm lumps under the skin)
- Eye inflammation
- Dry mouth or eyes
- Anemia
- Weight loss
Diagnosis
Diagnosing rheumatoid arthritis commonly involves a physical examination to assess joint swelling, tenderness, and range of motion, along with a review of symptoms and medical history. Blood tests may be conducted to detect specific antibodies (e.g., rheumatoid factor, anti-CCP antibodies) and inflammatory markers, and imaging scans like X-rays or MRI can help evaluate joint damage.
Causes
The exact cause of rheumatoid arthritis is not fully understood, but it is believed to involve a combination of genetic and environmental factors. Certain genes appear to increase susceptibility, and triggers like infections, smoking, or exposure to certain substances may initiate the autoimmune response in genetically predisposed individuals.
Treatment Overview
Managing rheumatoid arthritis typically involves a multi-faceted approach aimed at reducing inflammation, alleviating pain, preventing joint damage, and improving function. Conventional treatments often include disease-modifying antirheumatic drugs (DMARDs), biologics, and nonsteroidal anti-inflammatory drugs (NSAIDs). Physical and occupational therapy are commonly utilized, and some individuals explore complementary approaches like dietary modifications or acupuncture.
Prognosis & Outlook
The prognosis for individuals with rheumatoid arthritis can vary widely, but advancements in treatment have significantly improved outcomes for many. While it is a chronic condition, many people are able to manage their symptoms effectively, maintain functionality, and lead active lives with appropriate medical care and lifestyle adjustments.
Types & Variants
Seropositive RA
Individuals test positive for proteins in the blood called rheumatoid factor (RF) or anti-citrullinated protein antibodies (anti-CCP). This is the more common form and may be associated with more severe disease.
Seronegative RA
Individuals test negative for both RF and anti-CCP antibodies but still have the symptoms and clinical signs of RA. Diagnosis is based on symptoms, physical exam, and imaging.
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