Yeah I know it sucks. Can't wait til it lifts. The authorities are saying when x2 vaccination rate reaches 70%, likely mid october but they always changes wordsGeez … sorry about your restrictions.
The amoxicillin dose for cats is 5mg per pound of body weight 2X per day, so 25 to 30mg twice a day for 7-10 days may help if it is bacterial infection in the liver.
Do you have anything like pedialyte in Australia? If so, you may want to mix a couple of tablespoons daily into her wet food. It is an electrolyte solution that is very helpful.
As far as the kittens go, do not give them any more people food. They probably each need a round of metronidazole. It cures parasites as well as other bacterial intestinal infections. Do you have any way to get metronidazole? If not, they will benefit from the electrolyte solution as well in the meantime.
When might you be able to see a vet?
But I don't think its so much fish or chicken problem because the other food I switched to was also fish (tuna) but it had much more protein contentUgh, fish is the worst. They need only chicken or turkey flavors at this point. Fish is bad for them. That may be the problem. No more fish. Ever. Just chicken food or human boiled chicken with only salt. Stick with chicken only food and they should be oksy.