How to Use the Rheumatoid Arthritis Risk Checker
Rheumatoid arthritis (RA) is an autoimmune disease in which the immune system mistakenly attacks the joints, causing chronic inflammation. Early on, it's easy to mistake for ordinary muscle soreness or fatigue, but left untreated it can lead to joint deformity and functional loss. This checker asks about six clinically relevant factors — morning stiffness duration, symmetry of joint pain, which joints are affected, how long symptoms have lasted, swelling or warmth, and family history — and converts your answers into a risk score.
Each question is weighted according to how characteristic it is of RA. Morning stiffness lasting over an hour, or pain and swelling that appears symmetrically on both sides of the body (such as both hands), are stronger signals of RA than of simple muscle strain or osteoarthritis. Pain concentrated in small joints like the fingers and wrists, symptoms lasting six weeks or longer, and a family history of RA in a parent or sibling all raise the calculated risk level.
Keep in mind this result reflects statistical tendencies only — an actual diagnosis requires blood tests (rheumatoid factor, anti-CCP antibodies) and imaging interpreted by a physician. Even if your risk comes out low, don't ignore joint pain that persists or worsens; see a doctor rather than self-diagnosing. This result does not replace a medical diagnosis, and an accurate diagnosis always requires consulting a healthcare professional.
Frequently Asked Questions
Rheumatoid arthritis is an autoimmune disease that often causes symmetric pain in small joints with morning stiffness lasting over an hour. Osteoarthritis usually affects specific overused joints and morning stiffness typically resolves within 30 minutes.
Yes. Starting treatment early can reduce joint damage from rheumatoid arthritis, so if several risk signals are present, see a rheumatologist as soon as possible. This result is for reference only — diagnosis requires blood tests and imaging.