M05.879

Clinical Causes: Genetic predisposition: Family history of RA or other autoimmune diseases. Environmental factors: Exposure to certain pollutants or smoking can increase risk. Hormonal influences: Hormonal changes, especially in women, may contribute. Immune system dysfunction: An abnormal immune response attacking joint tissues. Infections: Though not directly caused by infections, they may trigger or exacerbate RA symptoms.

Key Symptoms: Joint pain, especially in the ankles and feet. Swelling and tenderness around affected joints. Stiffness, often worse in the mornings or after periods of inactivity. Decreased range of motion in the affected joints. Persistent fatigue and generalized discomfort. Possible warmth and redness over affected joints. Symmetrical joint involvement, meaning both sides may be affected equally. Potential deformities over time if the condition progresses without management.

Diagnosis Path: Medical history review to identify symptoms and potential risk factors. Physical examination focusing on joint swelling, tenderness, and range of motion. Laboratory tests, notably the rheumatoid factor (RF) test, which is positive in this condition. Imaging studies such as X-rays or MRIs to assess joint damage and inflammation. Exclusion of other forms of arthritis or joint diseases to confirm the diagnosis.

Treatment Protocols: Medications: - Disease-modifying antirheumatic drugs (DMARDs) such as methotrexate to slow disease progression. - Biologic agents targeting specific parts of the immune system. - Nonsteroidal anti-inflammatory drugs (NSAIDs) to reduce pain and inflammation. - Corticosteroids to control acute flare-ups. Physical therapy to improve joint flexibility and strength. Occupational therapy to assist with daily activities and joint protection. Lifestyle adjustments such as regular low-impact exercise, balanced diet, and smoking cessation. Surgical options may be considered in severe cases to repair or replace damaged joints.