Yes, rheumatoid arthritis can cause low-grade fevers, affecting up to one-third of people with RA. These fevers often occur during flare-ups alongside other symptoms like joint pain, swelling, stiffness, fatigue, and loss of appetite. Some people experience fevers as an early warning sign that a flare-up is approaching.
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Yes, rheumatoid arthritis can cause low-grade fevers, affecting up to one-third of people with RA. These fevers often occur during flare-ups alongside other symptoms like joint pain, swelling, stiffness, fatigue, and loss of appetite. Some people experience fevers as an early warning sign that a flare-up is approaching.
The fever experience varies among individuals - some may have brief episodes lasting an evening or two, while others report fevers lasting for several days or even weeks. The main cause of RA-related fevers is inflammation. Since RA is an autoimmune disease where the body's immune system attacks healthy joint tissue, this autoimmune response can trigger low-grade fevers.
If you develop a fever higher than 100.4°F or experience fevers that are unusual for your typical RA symptoms, contact your doctor for medical advice.
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Rheumatoid Arthritis Fevers: What To Know
September 2, 2025