Desperate for advice, 9 yo lab not acting right
Please please please help me I am beyond desperate. Any and all advice is appreciated. Thank you.
Hi all, my 9 yr Labrador has been experiencing some changes in his health and activity recently but his bloodwork and X-rays have come back showing nothing abnormal. I am really desperate for answers as he is extreme active for a 9 yo (typically walks a minimum of 10k steps a day or a few miles) and he is a lab so extremely food motivated. Like insanely food motivated. Anyways he has stopped eating his food and treats and is lethargic and just not acting right at all. His vet prescribed antibiotics for a likely GI issue but he has since finished them and shown no improvement. He is off an on when he does eat, sometimes he will eat the pumpkin we put on his food but leave the kibble, other times he will turn his nose from it. I even tried peanut butter and he won’t touch it. Anyways, I have posted on Reddit threads before but had no replies and am really worried about it, he has lost 5 lb in a week from not eating.