Maybe ask for a blood panel & fecal for worms just to be sure nothing has cropped up and you could catch it early. Is his pee pale yellow or dark? Might try to check his urine somehow if he potties outside. A whole pound in that short of a time sounds like worms.
__________________  Jeanie and Tibbe One must do the best one can. You may get some marks for a very imperfect answer: you will certainly get none for leaving the question alone. C. S. Lewis |