Why does my 7 yr old randomly wake up in the morning with stomach ache and constipation then shes sick and suddenly uncontrolable diorhia then shes ok?

See her pediatrician: There are multiple different explanations for the symptoms you're describing. Most of them are benign but certainly merit evaluation. Her doc needs to gather a volume of data, both historical and possibly by lab (blood/stool). That's where you should begin. Hopefully, simple modifications to diet or practice may help this to resolve. But start with her pediatrician.