Trigger Finger

What Is Trigger Finger?

Trigger finger (stenosing tenosynovitis) is a condition where a finger or thumb gets stuck in a bent position and may suddenly snap straight, similar to pulling a trigger. It happens when the tendon sheath in the affected finger becomes inflamed, making it difficult for the tendon to glide smoothly.

Causes of Trigger Finger:

• Repetitive hand movements (gripping, typing, tool use)
• Medical conditions (diabetes, rheumatoid arthritis)
• Prolonged hand strain or injury
• Unknown causes (idiopathic cases)

Symptoms:

• Pain or tenderness at the base of the affected finger
• Clicking or popping sensation when moving the finger
• Finger locking in a bent position, then snapping straight
• Stiffness, especially in the morning

Treatment Options:

• Rest & activity modification (reducing repetitive hand use)
• Splinting & stretching exercises
• Anti-inflammatory medications or steroid injections
• Surgery (trigger finger release) for severe or persistent cases