Have Cat Questions? Ask a Cat Vet Online.
Hi this is Dr. Hill. Please give me a moment to type my response.
It sounds like your veterinarian has done a very thorough initial workup. One thing you did not mention, is if you have tried an appetite stimulant like Mirtazipine. It is very effective with many cats. Pepcid Ac (famotidine) is very beneficial to help with mild nausea and a 2.5 mg dose once daily is reasonable. If you find that the appetite stimulant is not helping, then I would definitely get an ultrasound on her abdomen. An ultrasound will give more detailed information than a plain radiograph. It is non invasive and typically readily available in most areas. As for it being her time, that is a very difficult decision. Ultimately, you will know when it is the right time to help her pass. Trust your heart. Please ask any follow up questions. Take care.