Arthritis of the base of the thumb

Often caused by the wearing down of cartilage and the basilar joint. Usually more common in women over the age of 40. Past injuries to this joint can increase the chances of developing this type of arthritis. This condition can cause pain in the basilar joint with activities that involve gripping or pinching such as opening jars. There may also be a lump at the base of the thumb. Non-surgical treatments such as limiting movement by using a splint in conjunction with pain medicine can decrease pain and swelling. Surgical options are available in more severe cases and include removing one of the bones at the base of the thumb and fusing or replacing the joint.

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