Originally posted by kimlovescats
It sounds strange to me that hairball formula food would constipate him! Because some of the better hairball remedies in tube form are Cat-a LAX and LAXatone .... which obviously are LAXATIVES!!!???
He's on K/D Hill's Prescription food for kidney disease which I believe doesn't have any hairball remedy in it and I did notice a change in his litter box habits when I changed his food. I do give him Petromalt regularly because he does get hairballs (and he is one ) which does seem to help.