Daughter (7yearsof age) came home from school at 5pm on Tuesday and was vomiting. Weds vomiting stops, started complaining of increasing stomach pain she couldn't really move or walk . Ambulance was called an she was took in as the paramedic couldn't rule out appendicitis. Thwy examined her and the paediatric doctor said she thought it's a UTI. She was prescribed trimethoprim. Started on Thursday morning after returning from a and e. It's now 1am Saturday morning and she just vomited again..