It is perfectly legal to refuse treatment until you know the owner will be able to pay. Just like anyone else a veterinarian has to make a living somehow and the medications, equipment, and time needs to be paid for somehow.
Pardon me if I sound hissy, but . . . so basically, if you can't shell out thousands of dollars at a moment's notice, don't have a pet? Or else expect that, in an emergency, you'll have to euthanize because you can't afford the treatment? IMO, it may be legal for the vets to do that, but it sure as heck is unethical.
I understand they're running a business, but it's not like she was asking them to do it for free. What upsets me is the amount they were demanding, and that there was no effort to work out some sort of payment plan. I'm sure she would have been willing to sign something saying she'd pay (for example), $500 now, and the remainder in installments of whatever.
My sister told me that another woman came in with a dog. I don't know what was wrong with it, but apparently the cost of treatment was $7,000. The woman didn't have that kind of money, either, and applied for Care Credit. She was declined. I don't know what happened to the dog.
I assume the other cats have fleas as well? Is your sister itching?
I don't know, but she doesn't think they do. She didn't say if she's itching, but I imagine if he had fleas, they're in the house and possibly on the other cats.
Thanks, everyone, for answering my question.