A high index of suspicion is essential. Given that manifestations of Reye syndrome are not unique to Reye syndrome but also are seen in a growing list of conditions, and given that no test is specific for Reye syndrome, the diagnosis must be one of exclusion. All children with manifestations suggestive of Reye syndrome should be tested for IEM.
A mood swing is an extreme or rapid change in mood. Such mood swings can play a positive part in promoting problem solving and in producing flexible forward planning. However, when mood swings are so strong that they are disruptive, they may be the main part of a bipolar disorder.
adj. 1. being of a high or of the highest degree or intensity: extreme cold; extreme difficulty. 2. exceeding what is usual or reasonable; immoderate: extreme behaviour. 3. very strict, rigid, or severe; drastic: an extreme measure.