Dizziness is a common complaint in ambulatory care, comprising 4% to 5% of all visits. AVS is characterized by rapid onset of vertigo, nausea/vomiting, nystagmus and head-motion intolerance. Vertigo is a symptom, not a diagnosis.
Hydrocephalus is a condition thatâs also known as water on the brain. Hydrocephalus can occur in older children and adults, particularly older adults.
Causes of Extra Fluid in the Brain. Extra fluid on the brain is a condition known as hydrocephalus. The fluid is actually cerebral spinal fluid, or CSF, that surrounds the brain and spinal cord. When there is an excess of CSF in the brain spaces, or ventricles, this causes the ventricles to widen and can lead to excessive pressure on brain tissue.