Total 9 clinical symptoms reported for Lesch-Nyhan syndrome 
Abnormality of movement An abnormality of movement with a neurological basis characterized by changes in coordination and speed of voluntary movements.
 
Synonyms:Abnormality of movement; Movement disorder; Unusual movement
Very frequent
Behavioral abnormality An abnormality of mental functioning including various affective, behavioural, cognitive and perceptual abnormalities.
 
Synonyms:Behavioral abnormality; Behavioral changes; Behavioral disorders; Behavioral disturbances; Behavioral problems; Behavioral/psychiatric abnormalities; Behavioural/Psychiatric abnormality; Psychiatric disorders; Psychiatric disturbances
Very frequent
Gout Recurrent attacks of acute inflammatory arthritis of a joint or set of joints caused by elevated levels of uric acid in the blood which crystallize and are deposited in joints, tendons, and surrounding tissues.
 
Synonyms:Gouty arthritis
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
Intellectual disability, mild Mild intellectual disability is defined as an intelligence quotient (IQ) in the range of 50-69.
 
Synonyms:Intellectual disability, mild; Mental retardation, borderline-mild; Mild and nonprogressive mental retardation; Mild mental retardation
Very frequent
Intellectual disability, moderate Moderate mental retardation is defined as an intelligence quotient (IQ) in the range of 35-49.
 
Synonyms:IQ between 34 and 49; Mental retardation, moderate; Moderate mental deficiency; Moderate 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