my son 3yrs old had consumed kerosene at 8 am, today but we forced to do vomiting, and the out come was the mix of kerosene,then went for doctor,they saw and asked for chest xray,report was clear ,when he did poty smell of kerosene was there. again we went to doctor he suggested xray again at 4pm,there the xray was fine.he is fit and active.playing,please suggest wht to do next.,is he out of danger