Krisha McCoy, MS
A carpal tunnel injection is a corticosteroid injection into the carpel tunnel area of the wrist.
The median nerve runs from the forearm into the hand.
Carpal tunnel syndrome
occurs when this nerve is squeezed at the wrist as it runs through the carpel tunnel. This results in pain, weakness, tingling, or numbness in your hand and wrist. Pain may also radiate up your arm.
Steroid injections into the carpel tunnel area can help improve symptoms for three months or longer. You may not need further treatment.
Complications are rare, but no procedure is risk-free. Your doctor will review a list of possible complications which may include:
Your doctor may ask you what medications you take and if you have any allergies to medications.
You will be given an injection of local anesthetic to numb the area.
A needle will be filled with corticosteroid medication. This medication calms inflammation. Your palm will be facing upward. The inside of your wrist will be cleaned. The needle will be inserted into the carpal tunnel area of the wrist, and the medication will be injected.
A few minutes
You may feel some pain after the anesthetic wears off.
The injection site will be bandaged. You and your doctor will discuss what to expect in the coming days.
When you return home, take these steps:
After arriving home, contact your doctor if any of the following occurs:
In case of an emergency, call for emergency medical services right away.
American Academy of Orthopedic Surgeons
National Institute of Neurological Disorders and Stroke
The Arthritis Society of Canada
The College of Family Physicians of Canada
Carpal tunnel steroid injection. EBSCO DynaMed website. Available at:
http://www.ebscohost.com/dynamed. Updated February 8, 2014. Accessed September 9, 2014.
Carpal tunnel syndrome fact sheet. National Institute of Neurological Disorders and Stroke website. Available at:
Updated September 5, 2014. Accessed September 9, 2014.
Cardone DA, Tallia AF. Joint and soft tissue injection. Am Fam Physician. 2002 Jul 15;66(2):283-289. Available at:
September 9, 2014.
Last reviewed August 2014 by Teresa Briedwell, DPT, OCS
Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.
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