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Condition
Carpal tunnel syndrome
Pressure on the median nerve at the wrist that often causes numbness, tingling, and night-time symptoms in the thumb, index, and middle fingers.
Common triggers
- Sustained wrist flexion (e.g., curled wrist while sleeping)
- Long sessions of typing or tool use
- Pregnancy, thyroid changes, or other systemic factors
When to seek care
- Numbness that wakes you at night
- Weakness or thumb muscle wasting
- Symptoms that progress despite splinting and ergonomic changes
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Patient education · Carpal tunnel syndrome
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Related care
Splints often used
If conservative care is not enough
Sources
- Carpal Tunnel Syndrome — AAOS OrthoInfo(accessed 2026-04-22)
- Carpal tunnel syndrome — American Society for Surgery of the Hand(accessed 2026-04-22)