My child with age of 12 start vomiting and diarrhoea with foul smelling watering stool,last night . The symptoms stopped in the moringing and he could now take sips (around 40 ml water each time), However, his also started to have fever last night with the highest at 102.1. It could be controlled by giving him paradol in the morning, which could down to 99.8. In addition, his face have red spot after his vomiting last night. Did he sufferred from food allergy or GE