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Condition

De Quervain's tenosynovitis

Painful swelling of two thumb-side wrist tendons, especially with lifting babies, pouring jugs, or wringing. The tendons are pinched as they pass through their sheath at the wrist.

Common triggers

  • Repetitive thumb extension and abduction
  • Postpartum hand-use patterns
  • Pinch-heavy work and hobbies

When to seek care

  • Pain that limits picking things up
  • Symptoms that don't settle with splinting and rest
  • Swelling, locking, or weakness

Sources