Update:
She just peed normally in her box, but could not poop again when she tried.
I just gave her a can of wet food and added some water to it hoping that will help.
I am in need of some advice since today is a holiday, and no local vets are open today...
Yesterday morning I noticed my 10 year old cat seemed a little wobbly, and favoring her back right side a bit. As the day progressed though that seemed to go away. Also yesterday she peed outside of her...