My 12 year old male cat had frequent vomiting and stopped eating last year briefly - tests suspected IBD and he changed to dry and wet versions of royal canin selected protein pd (duck and pea) which completely solved the vomiting.
Before that he had been eating grain free foods his entire...
I just moved a few weeks ago to a new area and have a 12 year old male cat.
He developed cold symptoms for over a week (sneezy, watery eyes, congested). I think I waited a bit too long to take him to the vet (made an appointment at a recommended cat vet right away but had a long wait time)...
