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What Is Hydrocephalus?

Hydrocephalus is a buildup of cerebrospinal fluid (CSF) in the hollow places inside the brain. These hollow places are called ventricles. The buildup of CSF can put pressure on the brain.

Treatments for hydrocephalus (hi-droh-SEF-eh-less) usually can lower the amount of CSF.

What Are the Signs & Symptoms of Hydrocephalus?

Signs and symptoms of hydrocephalus in babies and children can include:

  • fussiness
  • tiredness
  • poor appetite
  • vomiting
  • eyes that stay looking down
  • slowed development