Hello, one of my rats has had an ongoing respiratory problem that first flared up when he was around six months old and he is now 11 months. He’s been on and off doxy and baytril and the first time the doxy really helped him and he was back to normal within days. the baytril did absolutely nothing so now he’s back on doxy but his breathing is just getting worse and worse and his fur is puffed up all the time ( he’s been on the medication in the morning and evening for around a week and a half now but no sign of getting better. He is still eating and drinking as far as I’m aware and he does walk around but he tends to just hide under a blanket. I can get him an appointment at the vets tomorrow but just don’t know what to do for him now It breaks my heart seeing him so poorly does anyone have any advice?