hi my son is 3yrs and 1 month ,weight 11.46 ,on 5th he developed high fever suddenly and then he got fits his eyes were on top and hands shaking ,we put some water on his hed and then he looked slighty normal ,we took him to the doctor who gave him ibugesic plus and sinarest and half a tablet of t.frisium ,i want to know what happened to my son all of a sudden and what should i do that it never happens again