Tendonitis is pain in or around a tendon, which is a band of strong tissue that connects a muscle to a bone. Tendons bend, stretch, and twist to help joints and muscles move. They can become inflamed ...

Pain in your thumb and wrist may develop from arthritis, de Quervain tenosynovitis, injuries, and other causes. Joint pain in your wrist and thumb are two common symptoms of many conditions, such as ...