With trigger thumb, it generally comes along with Dupuytren's contracture and carpal tunnel. Can Trigger Thumb Occur in any of my Fingers? Yes! Trigger thumb can occur in any of your fingers and in more than one at a time. It is most common in the thumb. That’s why we call trigger thumb and trigger finger two different things. Trigger finger is a painful condition that causes your fingers or thumb to catch or lock when you bend them. It can affect any finger, or more than one. Trigger finger and trigger thumb are two conditions that go hand-in-hand (literally). This condition, at best, is mildly irritating and, at worst, is extremely painful and debilitating. Trigger finger occurs when your finger’s tendon sheath (the sleeve around the tendon) becomes irritated, causing inflammation.
Trigger finger is a condition in which one of your fingers gets stuck in a bent position. Your finger may bend or trigger finger in the thumb
with a snap — like a trigger being pulled and released. It occurs when inflammation narrows the space within the sheath that surrounds the tendon in the affected finger. If trigger finger is severe, your finger may become locked in a bent position. People whose work or hobbies require repetitive gripping actions are at higher risk of developing trigger finger.