You may be observing signs of osteoarthritis of the hands called Heberden's nodes. They are named for the doctor who first described them in the 1800s. The hands may feel painful or stiff or the person may not be aware of any symptoms. Sometimes the joints make crackling sounds with movement. There may be some swelling of the joints. Many people don't notice it at first.

X-rays show joint osteoarthritis in a third of people aged 25 to 75. Hand symptoms are seen most often starting around age 45. Women are affected more often than men.

Any kind of skin changes must be examined and diagnosed by a physician. Finding the cause of the problem early may help prevent further problems later.