Dr. Marie replied:

Oh, I am so sorry to hear that Shelby is having this problem. It really does sound like she is unwell.

While a different food (such as steak) could cause vomiting or diarrhea, it should not cause her to be having difficulties with walking.

There are a few possibilities as to what could be going on. It is possible that she has an intestinal obstruction or perforation from the bone. This can cause quite severe infection, weakness and pain.

It is also possible that there is a serious problem with her liver or kidneys or possibly a cancer. I have seen dogs who have a ruptured spleen tumor act like this. When the tumor ruptures they lose blood into their abdomen and get very weak, wobbly and nauseous. If she is bleeding you may notice that her gums are very pale.

The increase in breathing can be due to either pain or if she has blood loss it can be that she has low oxygen levels.

It really does sound like she needs to see an emergency vet tonight. Unfortunately there is no medication that I can recommend that would safely make her comfortable without knowing what her problem is.

I really hope that she does ok. In a dog of this age, I fear that this may indeed be something very serious.

I wish I could help you more. I pray that tonight goes ok for you.

Dr. Marie.

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Dr. Marie replied:

Oh...that is unfortunate that Shelby is that unwell. I am so glad that you were able to take her in today though. I pray that your grieving period is short.

Dr. Marie.