What might cause pain on the top of my wrist?

Reviewed by Yoshinori Abe, MD

Internal Medicine

Pain on the top of the wrist is commonly caused by three conditions: a ganglion cyst (a fluid-filled lump), inflammation or damage to the extensor pollicis brevis tendon, or a tear in the triangular fibrocartilage complex (TFCC). Each has distinct symptoms and treatment paths, ranging from rest and bracing to physical therapy or, in some cases, surgery.

Because these conditions share overlapping symptoms but require different care, identifying the likely cause early can save you time, pain, and unnecessary worry. Take a free, instant, online symptom check to better understand your wrist pain and confidently plan your next steps.

Reviewed for medical accuracy: 07/20/2026

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Explanation

Pain on the top of the wrist can have several causes. One common reason is a ganglion cyst. These are small, fluid-filled lumps that can form on your wrist and may cause discomfort or pain when you move your hand. They are generally not harmful, but they can be annoying.

Another possible cause is damage to the extensor pollicis brevis tendon. This tendon helps you move your thumb, and if it gets hurt, it can cause pain on the top of your wrist. This might happen if you use your wrist a lot, like when playing sports or doing repetitive tasks.

Lastly, issues with the triangular fibrocartilage can also lead to wrist pain. The triangular fibrocartilage is a piece of cartilage that helps stabilize your wrist. If it gets hurt or worn down, it can cause pain and make it hard to move your wrist comfortably.

If you are experiencing ongoing pain, you can get personalized insights in minutes using Ubie's free AI symptom checker to help you understand what might be causing your discomfort and whether you should consult a healthcare provider.

(References)

Ng AWH, Tong CSL, Hung EHY, Griffith JF, Tse WL, Wong CWY, et al. (2019). Top-Ten Tips for Imaging the Triangular Fibrocartilaginous .... Seminars in musculoskeletal radiology, 31170740.
Alhithlool AW, Halawani IR, Jefri ZE, AlHithlool AW, Shosho RY, Albarrak MS, et al. (2024). Ganglion cysts of the wrist: A bibliometric analysis review .... Journal of hand and microsurgery, 39669736.
Karthik K, Carter-Esdale CW, Vijayanathan S, & Kochhar T. (2013). Extensor Pollicis Brevis tendon damage presenting as de .... BMC sports science, medicine & rehabilitation, 23731737.

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