syndrome is numbness, tingling, weakness, and other problems in your hand because of pressure
median nerve in your wrist.
nerve and several
tendons run from your forearm to your hand through a
small space in your wrist called the carpal tunnel . The median nerve controls
feeling in your thumb and first three fingers (not
your little finger).
the median nerve causes carpal tunnel syndrome. This pressure can come from
swelling or anything that makes the carpal tunnel smaller. Many things can cause this swelling, including:
- Illnesses such as
rheumatoid arthritis, and
the same hand movements over and over, especially if the wrist is bent down
(your hands lower than your wrists), or making the same wrist movements over
Carpal tunnel syndrome can
cause tingling, numbness, weakness, or pain in the fingers or hand. Some people
may have pain in their arm between their hand and their elbow.
Symptoms most often occur in the thumb, index finger, middle finger, and
half of the ring finger. If you have problems with your other fingers but your
little finger is fine, this may be a sign that you have carpal tunnel syndrome.
A different nerve gives feeling to the little finger.
first notice symptoms at night. You may be able to get relief by shaking your
Your doctor will ask if you have any
health problems—such as arthritis, hypothyroidism, or diabetes—or if you are
pregnant. He or she will ask if you recently hurt your wrist, arm, or neck.
Your doctor will want to know about your daily routine and any recent
activities that could have hurt your wrist.
During the exam, your
doctor will check the feeling, strength, and appearance of your neck,
shoulders, arms, wrists, and hands. Your doctor may suggest
tests, such as blood tests or nerve tests.