At many children
What most common cause of spasms aged from year till years.
This sharp temperature increase at cold, quinsy and flu.
When temperature too quickly rises, it irritates nervous system.
At many children at early age at high temperature the shiver which not always reaches spasms begins.
If at the child of or years spasms at high temperature begin, it not necessarily means that he is seriously sick; it also does not mean that spasms will repeat at it and from now on.
Spasms usually happen in the first day of high temperature and is very rare in the next days..