my dog is really sick, what's wrong with it?

[eugenefan]

My 7yr old chow/rottweiler female dog has been really sick this past month. It has been sick three times. The first time, she threw up, lost apetite, and wouldn't eat. I was worried but still decided to wait a few days. She got better after three days, but after a few more days, she got sick again. Same symptoms; shaking,not eating/drinking,very weak, wouldn't move, the eye boogers pulled her lower eyelids down, very painful to see . this time i brought it to a vet. they gave it IV shots, hyrdating and keeping my dog from nautiating. xrays and blood test showed nothing wrong. the day after, my dog was so much better. But, a few more days past and the same symptoms occured, but seemed as if she wouldn't make this one. it is now nightime and she didn't move since morning. we put blankets, keeping her warm. she's crying constantly and i just don't know what to do. she seems lifeless and "dead". i can't afford another vet exam, the first one was $600. i dont know what, i love her so much
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sorry i was just testing this. so she's like "dead". the vet said that shes very tense when they touched her stomach. she has a pain in there. they assumed it to be pancreatis but it didn't seem like it. she doesn't do anything. doesn't move. just breath.she had a small bruise of above her eye. the blood started running out, but a few weeks past it healed, does this seem like rabies? we have mice around our garage where she sleeps. our garage is safe and cozy indoor, dont worry. i did reasearch and the probable diseases are rabies or canine addison. im hoping its not as worse as those. also, i slowly poured a small amount of water into her mouth since she didn't drink. she swallowed just a teeny bit, but this didn't seem enough. her whole mouth is filled iwth saliva, as if she didn't have the energy/power to swallow it. it's very depressing. theres another problem. my family has been showing more respect and playing with my puppy lab. so that may make her depressed? so i dont know