If you use your hand in a repetitive fashion on an almost daily basis, such as typing on a keyboard or when performing manual labor, it can cause inflammation that affects tissue and a nerve that runs from your forearm to your fingers through your wrist bones. This condition is called carpal tunnel syndrome, and it can cause pain, weakness, or numbness in the hand and wrist that radiates up the forearm and sometimes into your shoulder. Symptoms can occur in both hands, but one hand is usually worse. The symptoms generally start gradually, but as they progress, you may find it difficult to form a fist, pick up small objects, or have a strong grip.
So how do you know if you carpel tunnel? Take a look at the most common symptoms.
With mild carpal tunnel symptoms, you may feel:
When your carpal tunnel is moderate to severe, you might feel:
There are steps you can take to prevent the pain associated with carpal tunnel. For example, while on the job, you may find relief from carpal tunnel symptoms by taking regular breaks or wearing a splint to help keep the position of your wrist straight. It’s also a good idea to see your doctor if you’re experiencing any of the symptoms associated with carpal tunnel.
The earliest signs are usually numbness and tingling in the thumb, index and middle fingers, and they are often worst at night. Many people describe waking up needing to shake the hand out to restore normal feeling.
Wrists tend to curl during sleep, which narrows the carpal tunnel and increases pressure on the median nerve. That is why night symptoms usually appear well before daytime ones.
Mild cases sometimes improve with activity changes, night splinting and ergonomic adjustments, particularly when caught early. Symptoms that persist, or that include weakness and muscle wasting, are unlikely to resolve without treatment.
Prolonged pressure on the median nerve can cause permanent numbness and weakness in the thumb muscles. Because nerve recovery is slower and less complete once damage is established, early evaluation genuinely matters.
No. Splinting, activity modification and corticosteroid injection help many patients, and surgery is generally reserved for cases that fail those measures or that show nerve damage. Carpal tunnel release is a common outpatient procedure with a high success rate when it is indicated.
Reviewed by Dr. Richard Scheinberg, MD, a board-certified orthopedic surgeon in Santa Barbara with 40 years of surgical experience.