Carpal tunnel causes pain due to excess pressure in the wrist and on the median nerve. Inflammation can cause swelling. It can lead to numbness, weakness, and tingling on the side of your hand near the thumb.
There are many symptoms of the carpal tunnel including burning, tingling, or itching numbness in your palm and thumb or your index and middle fingers. Weakness in your hand and trouble holding things. Shock-like feelings that move into your fingers, and tingling that moves up into your arm.