 [ Symptoms ] my 4 year old chahauhas got diarrhea and dragging his back legs this morning i am hoping theres over the counter meds last week my friend had a chauhaha 2 years old with diarrhea and legs dragging but is fine today so it seems this morning my dog she watches for me has the same trouble what causes this and how can i treat it im on a limited income and cant afford a vet at this time and they dont take i o u is please help me this [ Disease ] you cannot be diagnosed blindly over the internet but clearly if you have been having flank pain for several months you need to see a medical professional for a thorough medical history and a careful diagnostic examination that will most likely including imaging studies you could be having kidney stones or another renal problem an intestinal problem or even pancreatic there are many possibilities    diagnostic considerations that cannot be sorted out without a considerable work up please listen you your body is hints that something may be wrong and do the right thing the only thing that you can do at this point and seek medical care