I would speak to your vet first. My 13 yo has recently been having loose watery and mucus filled stools more and more frequently but he also has recent diagnosis of canine cognitive disorder. As his loose stools have become more frequent and he started having accidents in the house we saw his vet and she prescribed metronidazole (flagyl) for five days and said to put him on human probiotics (capsules) with his food twice a day. This is day 2 and he seems to feel better but his stools are still loose. Good luck with Elijah. Btw pumpkin has a lot of natural sugar so I would go with boiled or microwaved sweet potato instead which is lower in natural sugar. Big thing for Elijah is to be wary of dehydration so I suggest a vet call or visit.
