Pronounced: sub-dur-al hee-ma-toe-ma
A hematoma is a collection of blood. A subdural hematoma develops in the space between the brain and the skull lining. This pool of blood can put pressure on the brain and cause a range of symptoms.
A subdural hematoma is most often caused by a head injury. The injury may be caused by traumas such as falls, car accidents, or physical abuse.
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Factors that increase your risk of a subdural hematoma include:
The blood may pool quickly or take some time to build up. This will affect how fast the symptoms develop. The subdural hematoma may be:
After a head injury, a subdural hematoma may cause the following symptoms:
Seek medical care right away if you have any of these symptoms after a head injury.
Your doctor will ask about your symptoms and medical history. A physical exam will be done. You may also be referred to a specialist for additional testing.
Images may be taken of your brain and skull. This can be done with:
Your brain function may be assessed. This can be done with:
Your bodily fluids may be tested. This can be done with blood tests.
Talk with your doctor about the best treatment plan for you. Treatment will depend on the size and severity of the hematoma. It will also be based on your specific symptoms.
Treatment options include the following:
A minor injury with little or no symptoms may not need treatment. Your doctor may simply ask that you watch for any new symptoms. It can take days and weeks for some symptoms to develop.
Medication may be given to relieve symptoms. Some medications may include:
Surgery may be needed to relieve pressure on the brain. Surgical procedures that may be considered include:
To help reduce your chance of head injury, take these steps:
American Academy of Otolaryngology, Head and Neck Surgery
Brain Injury Association of America
The Brain Injury Association of Canada
Ontario Brain Injury Association
Chronic and subacute subdural hematoma. Barnabas Health website. Available at: http://www.barnabashealth.org/hospitals/saint_barnabas/mservices/neurosciences/neurosurgery/brain/hematoma.html . Accessed August 21, 2013.
Servadei F, Compagnone C, Sahuquillo J. The role of surgery in traumatic brain injury. Curr Opin Crit Care. 2007;13:163-168.
Subdural hematoma. EBSCO Dynamed website. Available at: http://www.ebscohost.com/dynamed/what.php . Updated July 19, 2013. Accessed August 21, 2013.
Subdural haematoma. Patient UK website. Available at: http://www.patient.co.uk/showdoc/27001513/ . Updated September 28, 2011. Accessed August 21, 2013.
Last reviewed August 2013 by Michael Woods, MD
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.
Copyright © 2012 EBSCO Publishing All rights reserved.
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