I HAVE A 6 YEAR OLD THAT WAS STARTED ON

I HAVE A 6 YEAR OLD THAT WAS STARTED ON TINAL FOR HYPER ACTVITY . AND FOR A COUPLE OF DAYS NOW HW HAS COMPLAINED ABOUT HIS STOMACH HURTING . I ASKED HIM IF HE HAD USED THE BATHROOM AND HE SAID NO. AND TODYA HE HAS RAN A FEVER AND SLEPT ALL DAY I HAE GAVE HIM CHILDREN MOTOIN FOR FEVER AND HE HAS SLEPT AMOST ALL DAY