Total 15 clinical symptoms reported for X-linked hydrocephalus syndrome 
Aqueductal stenosis Stenosis of the cerebral aqueduct (also known as the mesencephalic duct, aqueductus mesencephali, or aqueduct of Sylvius), which connects the third cerebral ventricle in the diencephalon to the fourth ventricle, which is between the pons and cerebellum.
 
Synonyms:Aqueduct of Sylvius stenosis; Aqueduct stenosis; Narrowing of aqueduct of Sylvius
Very frequent
Hemiplegia/hemiparesis Loss of strength in the arm, leg, and sometimes face on one side of the body. Hemiplegia refers to a severe or complete loss of strength, whereas hemiparesis refers to a relatively mild loss of strength.
 
Synonyms:Paralysis or weakness of one side of body
Very frequent
Hydrocephalus Hydrocephalus is an active distension of the ventricular system of the brain resulting from inadequate passage of CSF from its point of production within the cerebral ventricles to its point of absorption into the systemic circulation.
 
Synonyms:Hydrocephaly; Nonsyndromal hydrocephalus; Too much cerebrospinal fluid in the brain
Very frequent
Increased intracranial pressure An increase of the pressure inside the cranium (skull) and thereby in the brain tissue and cerebrospinal fluid.
 
Synonyms:Intracranial hypertension; Intracranial pressure elevation; Rise in pressure inside skull
Very frequent
Intellectual disability, severe Severe mental retardation is defined as an intelligence quotient (IQ) in the range of 20-34.
 
Synonyms:Early and severe mental retardation; Intellectual disability, severe; Mental retardation, severe; Severe mental retardation
Very frequent
Spasticity A motor disorder characterized by a velocity-dependent increase in tonic stretch reflexes with increased muscle tone, exaggerated (hyperexcitable) tendon reflexes.
 
Synonyms:Involuntary muscle stiffness, contraction, or spasm; Muscle spasticity; Muscular spasticity
Very frequent