Hello everyone. We recently switched my puppy's food from puppy food to all adult food. I think we may have done that too quickly, in about the course of three days, and now he has been having pretty bad diarrhea. We switched from Nutrisource hard puppy food to Nutrisource hard adult food. I am wondering if we should go back and start mixing more of the puppy food into the adult food, or if we should just keep giving him all adult food? Also, is there anything else we can do to help the little guy feel better? Maybe some yogurt or something? Thanks as always!