Trigger finger, also known as stenosing tenosynovitis, is a painful condition of hand and fingers characterized by snapping movement of the fingers due to snuggly fitted tendons through the wrist tunnel.

As you try to straighten the finger, the tendon becomes momentarily stuck at the mouth of the wrist tunnel and finger becomes locked in bent position, then on further straightening, finger snaps as the tendon gets freed through the tight area. This usually causes pain and catching of the fingers.

The thumb can sometimes also be similarly affected and in such cases, it is referred to as a Trigger Thumb.

The specific cause of Trigger finger is often unclear, but people who perform repetitive griping movements are more susceptible to this condition.

When a person suffers from trigger finger, there is swelling and inflammation occurring around the tendons which are attached to the fingers.

Trigger finger can affect persons of all ages, but it more often appears between 40 to 60 years of age.

Women more often affected develop trigger finger than men.

People suffering from Diabetes, Rheumatoid arthritis, Psoriatic arthritis, Amyloidosis, Tuberculosis and Hypothyroidism are also more prone to suffer from trigger finger.

One should consider the diagnosis of a trigger finger if he/she has the following signs and symptoms:

• Pain in the palm and fingers.

• Difficulty in finger movements.

• Locking of fingers in a bent position when trying to straighten the fingers.

• There is stiffness in the fingers which tends to be more severe after a period of inactivity e.g. in the morning.

• On feeling the fingers, there is a lump or nodule felt along the line of a tendon.

Trigger finger can be treated in several ways, depending on the severity of the disease. The the common treatments for trigger finger:

· Conservative treatments:

• Immobilization of the fingers for brief period.

• Ice application for pain and inflammation.

• Heat therapy.

• Splinting the affected finger.

· Medical treatment:

• Non-steroidal anti-inflammatory drugs (NSAID’s).

• Local injection of steroid around the tendon.

· Surgical treatment:

If the above measures fail and the condition doesn’t respond to injections of steroid, then surgical intervention may be considered. It consists of removing the inflamed and scarred tissue to widen the opening of wrist tunnel so that the tendon can slide through easily.

Find out how your Trigger Finger or Trigger Thumb can be more effectively treated.

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