I HAVE AN 18 MONTH OLD SON AND WHEN HE

i HAVE AN 18 MONTH OLD SON AND WHEN HE TURNED 1 I STARTED HIM ON REGULAR DIET. EVER SINCE HE HAS HAD MUSHY, GRAINY, AND CHUNKS OF FOOD DIARRIAH BETWEEN 2-5 TIMES A DAY. IN DECEMBER HIS DR SAID HE NEEDED TO BE ON THICK IT POWDER TO HELP WITH HIS ABNORMALITY IN HIS THROAT. THE GRAINY STOOL SEEMS TO HAVE GOTTEN WORSE. LAST WEEK HIS DR DID BLOOD WORK FOR gLUTEN AND SHE SAID HIS LEVELS WERE IN NORMAL RANGE. iM VERY CONCERNED ABOUT. i ALSO HAVE GIVEN HIM A PROBIOTIC AND SOY MILK FOR THE LAST WEEK WITH NO CHANGES. cAN YOU HELP?