Total 6 clinical symptoms reported for Beta-D-mannosidosis 
Abnormal facial shape An abnormal morphology (form) of the face or its components.
 
Synonyms:Abnormal facial shape; Abnormal morphology of the face; Distinctive facies; Dysmorphic facial features; Dysmorphic facies; Facial dysmorphism; Unusual facial appearance; Unusual facies
Very frequent
Hearing impairment A decreased magnitude of the sensory perception of sound.
 
Synonyms:Deafness; Hearing defect; Hearing impairment; Hypacusis
Very frequent
Hypoplasia of the abdominal wall musculature Underdevelopment of the abdominal musculature.
 
Synonyms:Abdominal muscular hypoplasia
Very frequent
Intellectual disability Intellectual disability, previously referred to as mental retardation, is characterized by subnormal intellectual functioning that occurs during the developmental period. It is defined by an IQ score below 70.
 
Synonyms:Intellectual disability; Mental deficiency; Mental retardation; Mental retardation, nonspecific; Mental-retardation; Nonprogressive intellectual disability; Nonprogressive mental retardation
Very frequent
Recurrent respiratory infections An increased susceptibility to respiratory infections as manifested by a history of recurrent respiratory infections.
 
Synonyms:Frequent respiratory infections; Multiple respiratory infections; Recurrent respiratory infections; respiratory infections, recurrent; Susceptibility to respiratory infections
Very frequent
Seizure A seizure is an intermittent abnormality of nervous system physiology characterized by a transient occurrence of signs and/or symptoms due to abnormal excessive or synchronous neuronal activity in the brain.
 
Synonyms:Epileptic seizure; Seizures
Very frequent