Does it warrant a trip to the vet?
I injured my pup playing fetch with him (after I had poured his little plastic pool out) and he slipped over on the wet concrete during the middle of a sprint to the other side of our backyard. Yes, very intelligent of me. But he was fine at the time, didn't care at all. Just wanted to play more fetch.
The next day, his back right leg had a limp, which went away pretty quickly in three or four days max, without much rest or anything, just normal routine.
Except I've just noticed his back left leg has got a really bad limp now :/ he's eating fine, but he's depressed. Barely wants to move, and walking around and getting up looks like it's a pain for him. There's no pain when I squeeze any part of his leg bone or his paw.
Is it vet time? Or should I wait it out? It's been about two to three days with no noticeable improvement. How long do these things usually take to heal up by themselves? And any idea as to why the first limp appeared the next day after the incident, subsided quick and easy, and this limp has appeared now and seems pretty bad and painful? He won't stand or walk or sit properly.