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How do corticosteroid injections treat carpal tunnel syndrome?

Donna Hill Howes, RN
Family Practitioner

A small amount of corticosteroid, combined with an anesthetic, can be injected directly into the wrist. These injections are sometimes effective for people with less severe carpal tunnel syndrome. They can be used along with other treatments, such as wrist splinting. If an injection improves the condition, this confirms that symptoms are caused by compression within the carpal tunnel, rather than a nerve problem in the shoulder or neck.

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