Dear Carrie, your 7 year old just started having accidents can be because of a broblem in school is he being bullied or not coping in the class is he being picked on ? does he have an urinary infection have you asked him questions why he does it asked him if his urine burns himor it smells offish ! there can be a lot of things that can cause a child to have accidents as Adam has said! hope this may help best wishes Tom.UK.