question: Hi. My 4 year old started vomiting las sunday night.Woke the next day generally unwell and stayed on couch but not sick again, Wed she started with diahrreah. Woke up thurs just generally unwell. Not eaten much all week but drinking milk and water. Friday she was back to old self and eating and playing until friday bed and vomiting again, and tonight in bed. Really worried now as i thought she was on the mend. Help please x