WE TOOK OUR SHITZU TO THE GROOMER ABOUT TWO WEEKS AGO.AFTER TWO DAYS SHE WILL NOT EAT,EVERYTHING SHE EATS SHE VOMIT.WE CALL THE GROMER TO FINDOUT IF THERE WERE ANY SICK DOGS THERE WHEN OUR DOGS WERE THERE?THEY TOLD US NO.SHE HAS LOST SO MUCH WEIGHT.PLEASE HELP.