This is aimed more at cats. But maybe it can apply to dogs as well.
Is there a certain harness you use? Do you let ur cat out on a lead? How did you train the cat?
Any other issues to address with a cat?
I only ask because last time we were out of town it took a toll on him. Even tho the neighbor came by and spent time with him and fed him. His litter box was nothing but diarrhea. No solid poo whatsoever. I felt terrible! He is also 13. So he needs regular blood pressure meds as well.