Symptoms of hydrocephalus differ with age, disease development, and individual variations in acceptance to the illness. For instance, a child's capability to compensate for enlarged CSF pressure and extension of the ventricles varies from a grown-up's. The infant skull can enlarge to accommodate the buildup of CSF because the sutures (the fibrous joints that attach the bones of the skull) have not yet closed.
In infancy, the clearest sign of hydrocephalus is frequently a fast growth in head circumference or a strangely big head size. Other signs might contain nausea, sleepiness, irritability, descending deviation of the eyes (also called "sun setting"), and seizures.
Older children and adults might experience diverse signs