Total 19 clinical symptoms reported for Deficiency of galactokinase 
Complement deficiency An immunodeficiency defined by the absent or suboptimal functioning of one of the complement system proteins.
 
Uncommon
Failure to thrive Failure to thrive (FTT) refers to a child whose physical growth is substantially below the norm.
 
Synonyms:Faltering weight; Postnatal failure to thrive; Weight faltering
Uncommon
Feeding difficulties Impaired ability to eat related to problems gathering food and getting ready to suck, chew, or swallow it.
 
Synonyms:Feeding difficulties; Feeding problems; Poor feeding
Uncommon
Microcephaly Head circumference below 2 standard deviations below the mean for age and gender.
 
Synonyms:Abnormally small cranium; Abnormally small skull; Decreased circumference of cranium; Decreased size of cranium; Decreased size of skull; Reduced head circumference; small calvarium; small cranium; Small head circumference
Uncommon
Neonatal asphyxia Respiratory failure in the newborn.
 
Synonyms:Asphyxia neonatorum
Uncommon
Premature birth The birth of a baby of less than 37 weeks of gestational age.
 
Synonyms:Premature birth; Premature delivery; Premature delivery of affected infants; Preterm birth; Preterm delivery; Shortened gestation time
Uncommon
Psychomotor deterioration Loss of previously present mental and motor abilities.
 
Synonyms:Psychomotor degeneration
Uncommon
Seizure A seizure is an intermittent abnormality of nervous system physiology characterised by a transient occurrence of signs and/or symptoms due to abnormal excessive or synchronous neuronal activity in the brain.
 
Synonyms:Epileptic seizure; Seizures
Uncommon
Sensorineural hearing impairment A type of hearing impairment in one or both ears related to an abnormal functionality of the cochlear nerve.
 
Synonyms:Hearing loss, sensorineural; Sensorineural deafness; Sensorineural hearing loss
Uncommon