Arthritis in the hands is an inflammatory condition that affects the joints in your fingers, knuckles, and wrists. It can show up in one or both hands and may involve multiple joints at once.

Rheumatoid arthritis neuropathy occurs when inflammation or other factors related to RA affect the peripheral nervous system.

Psoriatic arthritis (PsA) is a type of arthritis that ... it most commonly affects the small joints in the hands and feet. Symmetric PsA is less common in larger joints. Estimates suggest the ...