Does splinting treat carpal tunnel syndrome?

Carpal tunnel syndrome involves pressure on the median nerve as it passes through the wrist. A brace that limits wrist bending, especially during sleep, may reduce irritation from prolonged flexion. It can be useful when tingling, numbness or aching is worse at night, but relief varies and does not confirm the diagnosis.

A splint should leave the fingers free and should not create tightness, swelling, colour change or new numbness. Persistent symptoms, weakness when gripping, or dropping objects can mean that support alone is not enough. A clinician may consider examination, activity changes, exercises, medication or another treatment based on the nerve findings.

Use a properly fitted wrist splint in the position advised by a clinician, commonly while sleeping or during an activity that provokes symptoms. Keep the wrist comfortable rather than tightly strapped, and check the skin after wearing it.

Reduce repeated forceful gripping and prolonged wrist bending where possible. Record when numbness occurs and whether the thumb, index, middle or part of the ring finger is affected. Arrange an assessment if symptoms continue, return quickly after removing the splint, or interfere with work, sleep or hand function. Learn more about [Carpal Tunnel Syndrome](/conditions/carpal-tunnel-syndrome/) and [Splinting](/treatments/trauma-and-fracture-care/splinting/).

Seek prompt medical care for rapidly worsening hand weakness, inability to use the hand normally, or numbness that becomes constant. Urgent assessment is also appropriate after an injury if the hand is pale, blue, unusually cold, severely swollen or very painful.

Ask whether your symptoms fit median nerve compression, how long to trial a splint, and which wrist position is suitable. Ask what signs would suggest nerve weakness and which treatment should follow if night-time support does not help.