Trigger finger is usually caused by swelling of 1 of the tendons that run along your fingers and thumbs, although the exact reason why this occurs is not fully understood.
Trigger finger is a condition that affects the tendons in your hand. It can make it hard to bend your fingers or thumb.
Trigger finger symptoms include pain, stiffness or clicking when you move your finger or thumb. It may also sometimes get stuck in a bent position.
Trigger finger can happen if a tendon or the area around a tendon in your hand becomes inflamed and swollen.
Treatments for trigger finger include painkillers, wearing a plastic splint on your hand, steroid injections and sometimes surgery.
Page last reviewed: 30/07/2018
Next review due: 30/07/2021