Question:
My male pry is 5 yrs old. He weighs about 170lb. Recently, he started arching his back in the middle but, not as if to defecate. He also started walking backward often while arching his back. His penis is frequently exposed and he bites his tail. Please help I am at a loss as I do not know if this is behavior or an illness.

Answer:
Your dog needs a vet. Now. It sounds like he is in some kind of pain.

Answer:
Oh my. No question about it, this is a medical issue and it sounds extremely painful and possibly serious. Of course get your poor dog to the vet!

Answer:
That does sound very unusual, I suggest you go to your vet...asap!

Make note of your dogs urination and bowel movements.
Watch the dog go, check for blood in both or possible constipation..could me bowel obstruction!

But YES go to the vet ASAP!!

Answer: