Aw, poor ol' gal.
If the vet agrees she has arthritis...

When my shep/chow was about that age, he had arthritis too. He'd whine when he tried to stand up. He was okay after he got up, but he'd walk slowly. He also had cataracts and loss of hearing.

He'd growl if you grabbed his collar, I guess it was uncomfortable and a little scary.

We put him on glucosamine/chrondrointin supplements, OTC. Within a week or so, he was standing and walking without pain. He started running around like a much younger dog, and we had to watch him because he still couldn't see so good, lol.

But he lived to 15.5 with a lot less stiffness and pain. He even got on the raft and swam in the pool. He chased a few rabbits around the yard and he never would have done all that without those supplements.

I'd see about the dog's discomfort and then worry about her bath. Perhaps a dry bath would be less stressful on her. You can ask about that at a pet store. I think they used to recommend brushing corn starch into the coat, letting it set a few minutes, then brushing it out.

Just seems like if she felt better, she wouldn't be snapping at people. I know when I hurt I wanna bite people too.


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God luck with her.