Complications that have been mentioned in various sources for Rheumatoid arthritis includes:

• Chronic joint pain (see Joint pain)
• Joint deformity
• Anemia
• Blood vessel inflammation
• Lung lining inflammation (see Lung symptoms)
• Heart sac inflammation (see Heart symptoms)
• Eye disease - particularly for Pauciarticular JRA
• Salivary gland inflammation
• Small blood vessel inflammation
• Serious debility - less than 10% of cases

Rheumatoid arthritis can also affect other areas of your body. Problems can develop in your heart, lungs, eyes, mouth, lymph glands, and spleen.