Vetnique Glandex for Dogs Anal Gland Powder, Support for Scooting & Fishy Odor, Boot The Scoot Fiber Supplement, Pumpkin Powder & Probiotics for Dogs with Digestive Enzymes (Salmon, 2.5oz Powder)

My car did the same. She was straining to go. Does yours do too? While straining, she kept losing her balance, so I think she began to prefer the hard wooden floor over the uneven soft surface in the litter box. This was my solution. She doesn't like it, so mixing it with her food wasn't an option. I use a syringe to force feed it to her. She hates it, but she's gotten used to it. I also switched from dry to dry and wet food. Now she's going from pooping multiple times outside the box a day to maybe once a week. Not perfect, but 1000% better.