Carpal Tunnel Syndrome Causes and Treatment

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Are you at a higher risk of developing carpal tunnel syndrome ?  Have you ever suffered arthritis? Do you have high blood pressure or diabetes? Is your job involved repetitive wrist movement, include manufacturing, assembly line work, keyboarding occupations, and construction work?  In this article we will talk about causes and treatments of carpal tunnel syndrome.


Carpal Tunnel Syndrome – What is it?

Carpal tunnel syndrome is numbness, tingling, weakness, and other problems in your thumb and first three fingers of your hand because of pressure on the median nerve in your wrist.  The median 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 movement and feeling in your thumb and first three fingers (not your little finger).

Carpal Tunnel Syndrome – Causes

Carpal tunnel syndrome occurs when a combination of health conditions and activities puts pressure on the median nerve as it passes through the carpal tunnel in your wrist. This pressure leads to symptoms. Anything that decreases the amount of space in the carpal tunnel, increases the amount of tissue in the tunnel, or increases the sensitivity of the median nerve can lead to carpal tunnel syndrome.

Things that help cause carpal tunnel syndrome include:
  • Diabetes
  • Obesity
  • Thyroid dysfunction
  • Fluid retention from pregnancy or menopause
  • High blood pressure
  • Autoimmune disorders such as rheumatoid arthritis
  • Broken wrist bones, dislocated bones or bone spurs
  • Fractures or trauma to the wrist
Carpal tunnel syndrome is a common work-related condition. It also can be caused by work that requires:
  • Forceful or repetitive hand movements
  • Hand-arm vibration
  • Working for long periods in the same or awkward positions
  • Keyboarding occupations
  • Construction work

Carpal Tunnel Syndrome – Treatment

The goal of treatment for carpal tunnel syndrome is to allow you to return to your normal function and activities and to prevent nerve damage and loss of muscle strength in your fingers and hand. Treatment options for carpal tunnel syndrome include: home treatment, exercise, medication and surgery, depends on how severe your pain and symptoms are and if there is weakness.

Home treatment
  • Rest your fingers, hand, and wrist. Stop activities that you think may be causing numbness and pain.
  • Use an ice pack* to ice your wrist for 10 to 15 minutes at a time, once or twice an hour.
  • Wear a wrist brace* at night to keep your wrist in a neutral position and relieve pressure on your median nerve.

When your pain is gone, ask your doctor information about exercises for building flexibility and strength in your hand, wrist, and arm.

  • Rotating your wrist up, down, and from side to side.
  • Stretching your fingers far apart, then relaxing them, then stretching them again.
  • Stretching your thumb by pulling it back gently, holding it, and then releasing it.
  • Squeezing a rubber ball.
  • Wrist curls and extensions with a light weight.

If any exercise or motion causes pain or swelling, stop that exercise, or reduce the intensity or amount of motion.


Nonsteroidal anti-inflammatory drugs (NSAIDs) may relieve pain and inflammation and are available with or without a prescription.


Surgery is sometimes recommended when other treatment hasn’t helped, if you’ve had carpal tunnel syndrome for a long time, or if there is nerve damage or the risk of nerve damage.

Treatment for carpal tunnel syndrome is based on the seriousness of the condition, whether there is any nerve damage, and whether other treatment has helped. If your symptoms are mild, 1 to 2 weeks of home treatment are likely to relieve your symptoms.

Carpal Tunnel Syndrome – Prevention

To help prevent carpal tunnel syndrome:

  • Take good care of your general health. This includes staying at a healthy weight, not smoking, and getting regular exercise.
  • Keep your arm, hand, and finger muscles strong and flexible.
  • Stop any activity that you think may be causing finger, hand, or wrist numbness or pain.
  • Use hand and wrist movements that spread the pressure and motion evenly throughout your hand and wrist. For example, keep your wrists straight or only slightly bent. Avoid activities that bend or twist the wrists for long periods of time.
  • Switch hands and change positions often when you are doing repeated motions. Take breaks, and rest your hands.
  • Use correct posture.
  • Restrict your salt intake if you tend to retain fluid.
  • Wear a wrist brace* when you cannot control your wrist motion, such as while sleeping. A brace can keep your wrist in a neutral position-that is, not bent too far forward or back-and reduce the stress on your fingers, hand, or wrist.

In daily routines at home or while doing hobbies, think about changing activities in which you make repeated finger, hand, or wrist movements. Train yourself to use other positions or techniques that won’t stress your hand or wrist.

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