<unk>  syndrome is sudden (acute) brain damage (encephalopathy) and liver function problems of unknown cause.
The syndrome has occurred with the use of aspirin to treat chickenpox or the flu in children. However, it has become very uncommon since aspirin is no longer recommended for routine use in children.
Reye's syndrome
Morvan's syndrome
Bristowe's syndrome
Tietze's syndrome
Banti's syndrome
Woodhouse-Sakati syndrome
Mosse syndrome
Liddle's syndrome