My Dog Has Diarrhea After Changing His Food, Can Changing a Dog’s Diet Cause Diarrhea?

Can changing a dog’s diet cause diarrhea?

Recently I switched my dogs food just to change it up for him. I figured he has to be sick of the stuff he has been eating for 4 years now… I’m sick of it, and I don’t even have to eat it! (haha) All kidding aside, I switched his food to a similar type of mixture (both were mainly lamb and rice) so I figured it would be fine.

He has been eating it fine with not problems. He had solid stools for about a week, now all the sudden he has been having extremely bad diarrhea for about 2 days straight. The stool is so soft that it is barley being held together, and appears to have mucus or slime in the diarrhea as well.

I did notice that this new dog food is quite a bit oilier/greasier than the last one that we had. Could the extra oil/grease in this new food be making it too hard for him to digest, causing the diarrhea?

I am a little concerned that something else is causing these symptoms because he was fine for about a week eating this new food. And now he starts having this runny diarrhea. Can it take a week or so after a dog’s diet change to start effecting them? Or should I be worried that he picked up some kind of a stomach parasite?

Our dog has not been in contact with many other dogs lately either, so I am not sure if he would have been able to pick up a parasite from another dog.

If anyone else has had this same problem, please fell free to post a comment below. I will be changing my dog’s food back to the old kind tonight, so if that fixes the problem I will let everyone know.

Tags: Cause Diarrhea, Changing a Dog's Diet, Changing Food, Dog Has Diarrhea, Mucus in Diarrhea, Slimy Diarrhea