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Congenital hydrocephalus

Inside views of normal brain of baby and brain with hydrocephalus that shows enlarged head and ventricles filled with extra fluid

Congenital hydrocephalus is a condition present at birth in which too much cerebrospinal fluid (CSF) collects inside the brain. Fluid may not drain from the brain's passageways (ventricles) or may not be absorbed as it should be. This leads to increased pressure within the brain.

Usually a baby with this condition will have a bigger head than other babies the same age. Early treatment—before age 4 months—is important to help limit or prevent brain damage.

Current as of: September 20, 2021

Author: Healthwise Staff
Medical Review: John Pope MD - Pediatrics
Kathleen Romito MD - Family Medicine
Christian G. Zimmerman MD, FACS, MBA - Neurological Surgery