Carpal tunnel syndrome is a problem with nerves in the wrist. It happens when pressure on the nerve makes your hand tingly, numb, weak, or painful. You may be more likely to get it if you have a problem like an underactive thyroid or diabetes, if you are pregnant, or if you overuse your hand or wrist.
Many people get better if they rest their wrist and wear a splint. Some people need surgery.
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