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A subdural effusion is a collection of pus beneath the outer lining of the brain.
A subdural effusion is a rare complication of bacterial meningitis. Subdural effusion is more common in meningitis caused by Haemophilus influenzae and in infants.
- Bulging fontanelles
- Separated sutures
- Increased head circumference
- Persistent fever
- Vomiting
- Seizures
- Lethargy
- Weakness
There is often a history of recent bacterial meningitis. Tests include:
Surgery to drain the effusion is often necessary. Rarely, a permanent drainage device (shunt) is needed to drain fluid. Antibiotics may need to be given by IV.
Full recovery from a subdural effusion is expected. If neurological problems continue, they are generally due to the meningitis, not the effusion. Long-term use of antibiotics is usually necessary.
Complications from surgery include bleeding, infection, and damage to underlying brain structures, which can result in temporary or permanent neurological problems.
Call your health care provider if your child has recently been treated for meningitis and symptoms persist or if new symptoms develop.
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