Symptoms may include:
- Painful, red, swollen joints with reduced motion; usually the small joints of the hands and feet, although it can involve larger joints or the spine
- Prolonged stiffness and tiredness in the morning
- Pitted or discolored nails that may separate from the nail beds
- Conjunctivitis (pink eye) and other eye inflammations
Causes and Risk Factors
Its cause is not known. It may be caused by heredity, immune system disorders, infection or injury.