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Trigger Finger is an irritation of the digital sheath that surrounds the flexor tendons. When the sheath surrounding the tendon becomes swollen, it pinches the tendon and prevents it from gliding smoothly. The tendon catches and then suddenly releases, an action similar to pulling and releasing a trigger.
Symptoms of Trigger Finger include:
- Finger stiffness
- A popping or clicking sensation
- Tenderness or a bump in the palm at the base of the affected finger
- Finger catching or locking in a bent position
- Finger locked in a bent position
Swelling in the tendon sheath can be treated with rest, activity modification, anti-inflammatories, or steroid injections. Some cases may require surgery to release the tendon.