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Trigger Finger

Medically reviewed by Last updated on Jun 5, 2024.

What is trigger finger?

Trigger finger is when your finger or thumb gets stuck in a bent position and snaps, pops, or clicks when you straighten it.

What causes trigger finger?

Trigger finger is caused by narrowing of the tendon sheath. The tendon sheath is the tunnel that your tendon slides through when you bend or straighten your finger. A tendon is strong tissue that attaches muscle to bone. When the tendon sheath narrows, the tendon does not slide as easily. Certain medical conditions, such as diabetes or arthritis, may increase your risk of trigger finger.

What are the signs and symptoms of trigger finger?

How is trigger finger diagnosed?

Your healthcare provider will ask about your health history and examine your finger. He or she will ask about your signs and symptoms and have you bend and straighten your finger.

How is trigger finger treated?

Treatment options

The following list of medications are related to or used in the treatment of this condition.

View more treatment options

What are the risks of trigger finger?

Splinting may not decrease your signs and symptoms. Steroid injections or tendon release surgery may damage the tendon or nerves in your finger. After tendon release surgery, your finger may be stiff, painful, or weak. Your finger may be bruised and you may get an infection. Your signs and symptoms may return, even after treatment. Without treatment, your symptoms can get worse. Your finger may become locked in the bent position.

When should I contact my healthcare provider?

When should I seek immediate care?

Care Agreement

You have the right to help plan your care. Learn about your health condition and how it may be treated. Discuss treatment options with your healthcare providers to decide what care you want to receive. You always have the right to refuse treatment. The above information is an educational aid only. It is not intended as medical advice for individual conditions or treatments. Talk to your doctor, nurse or pharmacist before following any medical regimen to see if it is safe and effective for you.

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Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.