What could cause sharp pain in my wrist just below the thumb?

Reviewed by Yoshinori Abe, MD

Internal Medicine

Sharp pain in the wrist near the thumb is often caused by problems in the scaphoid-trapezium joint, tendon irritation such as De Quervain's tenosynovitis, or nerve injuries from medical procedures. Identifying the exact cause matters, as treatment varies widely depending on whether the source is joint, tendon, or nerve related.

Because wrist and thumb pain can stem from many overlapping conditions, self-diagnosing accurately is difficult. A free, instant, online symptom check can help you pinpoint likely causes based on your specific symptoms and guide you toward the right next steps—whether that's home care, seeing a primary care doctor, or consulting a specialist. It only takes a few minutes and could save you time, worry, and unnecessary appointments.

Reviewed for medical accuracy: 07/20/2026

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Explanation

Sharp pain in your wrist just below the thumb can be caused by several issues. One possible cause is problems with the scaphoid-trapezium joint in your wrist. This joint can sometimes require special procedures to manage pain or fix issues.

Another reason for pain could be nerve injuries. Sometimes, medical procedures like placing an IV can accidentally hurt nerves, leading to pain.

If you have wrist pain, you can use Ubie's free AI symptom checker to help identify what might be causing your discomfort and determine if you should see a healthcare provider for treatment.

(References)

Jørgensen RW, Odgaard A, Anderson KA, & Jensen CH. (2022). Poor Patient-Reported Outcomes following Surgical .... Journal of wrist surgery, 35478942.
Pegoli L, & Pozzi A. (2017). Arthroscopic Management of Scaphoid-Trapezium .... Hand clinics, 28991591.
Boeson MB, Hranchook A, & Stoller J. (2000). Peripheral nerve injury from intravenous cannulation. AANA journal, 10876452.

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