What Is Rheumatoid Arthritis?

Rheumatoid arthritis (RA) is a chronic autoimmune disease where the immune system attacks the lining of joints (synovium), causing inflammation, pain, and eventually joint damage. It affects about 1% of the population and is more common in women.1

Symptoms2

Joint Symptoms

  • Pain, swelling, warmth in joints
  • Symmetric involvement (both sides)
  • Small joints often affected first (hands, feet)
  • Morning stiffness >1 hour
  • Joint deformity (if untreated)

Systemic Symptoms

  • Fatigue
  • Low-grade fever
  • Loss of appetite
  • Rheumatoid nodules

Diagnosis

  • Clinical examination
  • Blood tests: RF, anti-CCP antibodies, ESR, CRP
  • Imaging: X-rays, ultrasound, MRI
  • ACR/EULAR classification criteria

Treatment Goals

  • Control inflammation
  • Prevent joint damage
  • Maintain function
  • Achieve remission or low disease activity

Medications3

DMARDs (Disease-Modifying)

  • Methotrexate - Cornerstone of treatment
  • Sulfasalazine
  • Hydroxychloroquine
  • Leflunomide

Biologics

  • TNF inhibitors (adalimumab, etanercept)
  • IL-6 inhibitors (tocilizumab)
  • B-cell depleting (rituximab)
  • T-cell co-stimulation blockers (abatacept)

JAK Inhibitors

  • Tofacitinib, baricitinib, upadacitinib

Lifestyle Management

  • Regular exercise (low-impact)
  • Joint protection techniques
  • Balance rest and activity
  • Anti-inflammatory diet
  • Smoking cessation

References

  1. Smolen JS, Aletaha D, McInnes IB. Rheumatoid arthritis. Lancet. 2016;388(10055):2023-2038.
  2. Aletaha D, Neogi T, Silman AJ, et al. 2010 Rheumatoid arthritis classification criteria. Arthritis Rheum. 2010;62(9):2569-2581.
  3. Singh JA, Saag KG, Bridges SL Jr, et al. 2015 American College of Rheumatology Guideline for the Treatment of Rheumatoid Arthritis. Arthritis Rheumatol. 2016;68(1):1-26.