Hi I am a first time Rat owner and I have 2 male dwarf rats. A few weeks ago one of them had lost a lot of weight, was in pain, lethargic and not himself. I took him to the vet and had him on antibiotics for ten days, like the vet said. I fed him supplement food for him to gain weight, and he did. He became himself again and seems fine. I am worried however because he still makes noises sometimes and I am worried it’s his breathing. It was 78$ to take him to the vet and as I love this rat to death I will certainly take him back I just do not want to take him again for him not to get better. Please help I do not know what to do!