Thanks guys.
I was thinking the same thing with regard to the steroids if it is an infection. I think steroids weaken the immune system and if he already has an infection it would make sense that the infection would get worse.
He is very lethargic today and is sleeping on our bed and doesn't want to do much at all.
I will call the vet to give an update and perhaps they can choose an antibiotic and I can just go and pick it up rather than dragging Tiger back there.
As well, my husband is getting irritated with the continued vet visits and although he loves Tiger, he thinks this is all too mcuh. Most people that we know (friends, family) think that as well. I don't know why I'm trying so hard to save him at all costs. I love him alot and I think maybe it's that so many things right now are out of my control and this is something that I can try and fix so I'm feeling determined to do it. I don't know if that makes sense.
Anyway, we've come this far, he's still with us and if antibiotics can help him then that's what I'm going to try. I will not let him suffer though and if I see that his quality of life is gone and if he is really struggling, then I will let him go. I can barely write that sentence.