My 8 year old cat suddenly started vomiting on Wednesday night. She would eat, then seconds later throw it all back up again. The vomiting got worse into Thursday (I woke up to mounds of sick all over my house) so contacted my vets who squeezed her in later that day. I went to work that morning leaving only water and a handful of kibble, returned from work at 2pm to find mounds of sick all over the house once again.
The vet did blood tests which thankfully confirmed there was nothing wrong with her kidneys or liver, but that she had pancreatitis. They gave her an anti-sickness injection (which appears to have helped as there has been no more vomiting since), charged me £300 for the blood tests and told me to feed her little and often with white fish or chicken.
I have been doing so since Thursday, and she is managing this ok (with no more sick) but she just isn't herself. She's quiet, subdued and depressed

Has anyone had any experience of this? Can I try offering her a little of her usual food as I think that may perk her up? Thanks in advance.