An epidural blood patch is a procedure to stop spinal fluid from leaking. It uses a small amount of blood to seal the leak. It is done after a lumbar puncture (LP).
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This procedure is done to ease a spinal headache that does not go away on its own. A spinal headache can happen after an LP. Too much spinal fluid leaks and lowers pressure in the skull.
Problems are rare, but all procedures have some risk. The doctor will go over problems that could happen, such as:
Things that may raise the risk of problems are:
The doctor may meet with you to talk about:
The doctor will give local anesthesia—the area will be numbed. Medicine may help you relax.
An x-ray may help guide a small needle to the area where spinal fluid is leaking. Contrast material will be injected. It will help the doctor see the area better. More x-rays will be taken. A small amount of blood will be drawn. The blood will then be injected into the correct area of the spine. This should clot, or seal, the leakage.
About 30 minutes
There may be slight pressure during the procedure.
You may be able to go home the same day. If you have any problems, you may need to stay longer.
Once the LP is done, you will be asked to lie flat and still. After a short time, you will be asked to get up and move around.
Some activities may be limited for a few days. You will need to delay your return to work during this time.
Call your doctor if you are not getting better or you have:
If you think you have an emergency, call for medical help right away.
American College of Obstetricians and Gynecologists
Family Doctor—American Family Physician
Canadian Anesthesiologists’ Society
The Society of Obstetricians and Gynecologists of Canada
Anesthesia epidural blood patch. UW Health website. Available at: https://patient.uwhealth.org/healthfacts/6098. Accessed September 28, 2021.
Cerebrospinal fluid (CSF) leak. Cleveland Clinic website. Available at: https://my.clevelandclinic.org/health/diseases/16854-cerebrospinal-fluid-csf-leak. Accessed September 28, 2021.
Epidural blood patch. University of Rochester Medical Center website. Available at: https://www.urmc.rochester.edu/imaging/specialties/procedures/epidural-patch.aspx. Accessed September 28, 2021.
Postdural puncture headache. EBSCO DynaMed website. Available at: https://www.dynamed.com/condition/postdural-puncture-headache. Accessed September 28, 2021.
So Y, Park JM, et al. Epidural blood patch for the treatment of spontaneous and iatrogenic orthostatic headache. Pain Physician. 2016;19(8):E1115-E1122.
Last reviewed July 2021 by
EBSCO Medical Review Board
Marcin Chwistek, MD
Last Updated: 9/28/2021