Osteoarthritis is a condition in which the cartilage that protects and cushions
the joints breaks down over time. Eventually, the bones—formerly separated by
the cartilage—rub against each other. This results in damage to the tissue and
bone and causes painful joint symptoms.
is common in the finger and thumb joints, especially at the joints near the
tips of the fingers and at the joint that joins the thumb to the hand, near the
ByHealthwise Staff Primary Medical ReviewerAnne C. Poinier, MD - Internal Medicine Specialist Medical ReviewerStanford M. Shoor, MD - Rheumatology