Negative rheumatoid factor polyarthritis

December 31, 2014

Overview

A form of rheumatoid arthritis which doesn't involves the presence of rheumatoid factor in the blood. Negative rheumatoid factor polyarthritis is listed as a "rare disease" by the Office of Rare Diseases (ORD) of the National Institutes of Health (NIH). This means that Negative rheumatoid factor polyarthritis, or a subtype of Negative rheumatoid factor polyarthritis, affects less than 200,000 people in the US population

Symptoms

The list of signs and symptoms mentioned in various sources for Negative rheumatoid factor polyarthritis includes the 11 symptoms listed below:

• Morning joint stiffness

• Joint pain

• Positive rheumatoid factor

• Joint inflammation

• Joint swelling

• Joint warmth

• Nodules under skin

• Degeneration of joint tissue

• Loss of joint mobility

• Fatigue

• Fever

Causes