 [ Symptoms ] 4 year old male child vomiting saliva and yellow bile he ate last night and was fine this morning he woke up saying his stomach hurt since then he has been vomiting saliva and yellow bile no undigested or digested food  no fever sleeping a lot [ Disease ] she needs help starting with her pediatrician many children of her age have explosive outbursts and there are medications that can help additionally she could see a child psychiatrist or counselor for behavior therapy tantrums can occur at any age but by age 7 she certainly should know that she is not in charge of the world and how do deal with conflicts in a more civilized manner i do not have enough information to comment on her head pain but this should be carefully evaluated by the pediatrician as well including consideration for some imaging studies rarely brain lesions can surface as personality aberrations so this may need to be ruled out