I understand your frustration dear...i am going thru similar probs...my "baby" has been short of breathe,laying around and just not herself either...i took her to my vet and he did adiabetes test,sonogram, bloodwork and thyroid test...so far evrything is ok except she has an enlarged spleen! Her spleen is VERY large (almost twice the normal size!) So we are trying to figure out what is causing her spleen to enlarge (which is serious in itself) This is really scaring me cuz she only just turned 4yrs old Also she is gaining weigh all the time even tho she does NOT overeat...I hate this testing period...it seems like forever when you wait for results. Keep us posted on your 'lil one and she is in my prayers dear