(HealthDay News) -- Carpal tunnel syndrome occurs when a nerve that runs into the hand from the lower arm becomes squeezed at the wrist.

The National Institute of Neurological Disorders and Stroke mentions these common symptoms of carpal tunnel syndrome:

  • Having a tingling sensation or numbness in the thumb, palm or nearby fingers on one hand or both.
  • Having fingers that feel swollen, even with no visible swelling.
  • Having pain that affects one or both hands or wrists.
  • Having difficulty moving the fingers.
  • Having symptoms that first appear at night, then during the day.
  • Having a weak grasp or grip.