He's better than he was a week ago, but I thought I was going to lose him. He's such a wonderful cat. I was crying when I found him feeling punky and uninterested in eating food. I took him to the vet three times in as many days. So far, the only thing they do know is that he had a fever and one type of white blood cell from the CBC was too low. The doctor has him on an appetite stimulant, which is helping. He is on an antibiotic, an anti-nausea medication, a kitty anti-inflammation medication. They had him on a liquid pain medication. He doesn't seem to be in pain any more, because he is jumping up and down off of furniture and walking normally now. Hunter is FIV+, but the doctor is concerned that there could be something else going on besides the infection. Pancreatitis was thrown in as a suggestion from the vet's office, too. Hunter is responding to treatment, but he still isn't back to feeling like himself yet. The possibility of some kind of blood cancer was also thrown in there. The x-ray did not reveal any tumors, though, so none of the doctors are sure exactly what is wrong with my precious kitty.
I owe my brother money for Hunter's medical expenses and have set up a Go Fund Me page. I'm not sure if I'm allowed to put the exact address for "Hunter's Medical Expenses" on GoFundMe or not. You might be able to find it yourself if you're interested and able to help. Every little bit helps.
In any case, send good thoughts that Hunter will start feeling back to his old self soon.