Definitely do not give her anymore vaccinations, except those required by law, like rabies. I do not give any vaccinations after their puppy shots. except rabies, which I only do every five years or so. It's not the law here. Vaccinations can cause all sorts or problems. :( People don't get repeat vaccinations, why should dogs. It is a real cash cow for vets, that is why they encourage it. Sorry for my rant.
If fleas are really bad, a topical is the best thing to use. Fortunately fleas are not a problem here. It's too darn cold in the winter. Dog ticks can be bad, but they don't carry any diseases. I just check Allie everyday and remove any ticks. I might put a topical on once in June, when they are really bad.
My girl still with us, its hard watching her deteriorate. She's losing a lot of weight and has been for a year, now its obvious, with ribs showing. Not much of an appetite. Does not want her food, but will eat when I make her boiled chicken, eggs, will eat wet dog food, so buying her some of those, even I feel they are crap, just to get food in her. Its so hard dealing wit this, I cry a lot as time goes on.....
So sorry to hear this. Our Dakota hung on for 5 months with cancer. The last month was very hard. The hardest thing I've ever done was go have her put down. But she was in terrible pain. I still miss her.
Best wishes for you as you cope with this.
My ginger and Lily are getting up there. We're managing an MCT on Gingers foot with a small dose of Prednisone every other day.