Thank you for your query on Healthcare Magic.
Freezing episodes occur in absence seizures and it is associated with typical EEG changes such as spikes 3/s on EEG.
Yes, occurrence of absence seizures before the age of 5 years is uncommon.
Blood tests to rule out any underlying metabolic problems like blood glucose
, electrolytes to be done.
Consult the neurologist
along with the child and reports for further evaluation and for treatment.
Hope I have answered your query.