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Trigger Finger

What is Trigger Finger?

Trigger finger is a condition where one of your fingers or your thumb catches in a bent position. Your finger may straighten with a snap. The snap is similar to a trigger being pulled and released. In severe cases of trigger finger, your finger may become locked in a bent position.

Trigger finger most often affects your middle or ring finger or your thumb. More than one finger may be affected. Triggering is usually more pronounced in the morning, while firmly grasping an object or when straightening your finger.

Trigger finger is also called stenosing tenosynovitis and trigger thumb.

What Causes Trigger Finger?

Trigger finger is caused by a narrowing of the sheath that surrounds the tendon in the affected finger. Trigger finger is usually associated with activities that involve repetitive gripping actions or repetitive usage of the fingers.

Symptoms of Trigger Finger

The most common symptoms of trigger finger are:

  • Stiff finger
  • Clicking sound when you move your finger
  • Bump or tenderness in your palm, at the base of the finger
  • Swelling

Can Trigger Finger be Treated?

Yes. Treatment of trigger finger varies and depends on on the severity of the condition. Some common treatments are rest, physical therapy, medication, and surgery. Physical therapy will usually involve strengthening exercises, splinting, massage, soaking in warm water, and paraffin wraps.

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