Ohhhh ... I hope it isn't the acute form of jaundice. It does not sound good at all.
"The neurological manifestations of acute bilirubin encephalopathy have two distinct phases.
The first phase usually presents in the first few days of life in term infants and as late as the seventh day of life in premature infants. Typically, these infants present with somnolence, hypotonia, and loss of the Moro reflex.
This is then followed several days later by an irreversible stage characterized by hypertonia of the extensor muscle groups. This is characterized by retrocollis (backward arching of the neck) and opisthotonus (backward arching of the trunk).[6] Additionally, fever and a high-pitched cry are often noted. Patients who survive the neonatal period demonstrate the chronic manifestations of bilirubin encephalopathy.
These characteristic findings include choreoathetosis, sensorineural hearing loss, dental dysplasia, gaze abnormalities (particularly vertical gaze palsy) and mild mental retardation."
http://www.medscape.com/viewarticle/491101_3