Total 101 clinical symptoms reported for Mucopolysaccharidosis, MPS-III-A 
Central nervous system degeneration
 
Synonyms:CNS degeneration
Very frequent
Chronic otitis media Chronic otitis media refers to fluid, swelling, or infection of the middle ear that does not heal and may cause permanent damage to the ear.
 
Synonyms:Chronic infections of the middle ear; Otitis media, chronic
Very frequent
Coarse hair Hair shafts are rough in texture.
 
Synonyms:Coarse hair; Coarse hair texture
Very frequent
Delayed speech and language development A degree of language development that is significantly below the norm for a child of a specified age.
 
Synonyms:Deficiency of speech development; Delayed language development; Delayed speech; Delayed speech acquisition; Delayed speech and language development; Delayed speech development; Impaired speech and language development; Impaired speech development; Language delay; Language delayed; Language development deficit; Late-onset speech development; Poor language development; Speech and language delay; Speech and language difficulties; Speech delay
Very frequent
Generalized hirsutism Abnormally increased hair growth over much of the entire body.
 
Synonyms:Excessive hairiness over body
Very frequent
Intellectual disability, progressive The term progressive intellectual disability should be used if intelligence decreases/deteriorates over time.
 
Synonyms:Intellectual disability, progressive; Mental retardation, progressive; Progressive mental retardation
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
Malabsorption Impaired ability to absorb one or more nutrients from the intestine.
 
Synonyms:Intestinal malabsorption; Malabsorption
Very frequent
Progressive neurologic deterioration
 
Synonyms:Neurologic deterioration; Neurologic deterioration, progressive; Progressive mental deterioration; Progressive neurodegeneration; Worsening neurological symptoms
Very frequent
Sleep disturbance An abnormality of sleep including such phenomena as 1) insomnia/hypersomnia, 2) non-restorative sleep, 3) sleep schedule disorder, 4) excessive daytime somnolence, 5) sleep apnea, and 6) restlessness.
 
Synonyms:Difficulty sleeping; Sleep disturbances; Sleep dysfunction; Trouble sleeping
Very frequent