The intrathecal space is the area between the thin layers of tissue that surround the brain and spinal cord. This space is filled with a liquid called cerebrospinal fluid.

Medicines can be delivered into the intrathecal space with a needle or through a thin flexible tube called a catheter.

Current as of: February 20, 2015

Author: Healthwise Staff

Medical Review: Adam Husney, MD - Family Medicine & Brian D. O'Brien, MD - Internal Medicine & Howard Schaff, MD - Diagnostic Radiology