What causes fevers with rheumatoid arthritis?
Fevers are a common symptom of RA, affecting up to one-third of people with the condition. The main cause is inflammation from the autoimmune response. Low-grade fevers often occur alongside other RA symptoms like:
• Joint pain and swelling
• Fatigue
• Loss of appetite
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What causes fevers with rheumatoid arthritis?
Fevers are a common symptom of RA, affecting up to one-third of people with the condition. The main cause is inflammation from the autoimmune response. Low-grade fevers often occur alongside other RA symptoms like:
• Joint pain and swelling
• Fatigue
• Loss of appetite
• General flu-like feelings When should you be concerned about RA fevers?
Contact your rheumatologist if:
• Your fever goes above 100.4°F
• You experience fevers that are new or unusual for your typical RA symptoms
• Fevers last for an extended period
Some people experience brief evening fevers while others may have them for days or weeks. Your doctor can help determine if the fevers are related to:
• An RA flare
• Medication side effects
• A possible infection that needs treatment
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diagnose, treat, or cure any condition or disease. Always ask your doctor about specific health concerns.
Rheumatoid Arthritis Fevers: What To Know
September 2, 2025