Hi welcome to the health care magic Here is having acute gastroenteritis infection secondary to food toxin as per history Here he should be consulted to pediatrician or physician immediately and if dehydration more than he might admitted to hospital for maintaining hydration Here will be prescribed broad spectrum antibiotic like ofloxacin and ornidazole Meanwhile maintain his hydration with drinking lots of water and ORS also Along with antibiotic he will be prescribed rabeprazole and domperidone drugs for Symptomatic management Avoid excess spicy foods and give him semisolid light meal with more fruits juice Take care If still no improvement than USG and culture like investigation needs to be done With keeping this in mind consult nearby doctor without delay