Baytril for URI, chin constipated and not eating

Hey all, my chinchilla has had a pretty bad URI and was prescribed baytril after the bactrim didn't help. He has stopped eating the critical care and I'm having to water it down and force feed him. He is now constipated and a little bloated. He's passing a little bit of poop but they're small. I've been giving him baby gas drops and he is on metacam for pain. Vet recommended cat hairball laxative for constipation. Has anyone ever used this? I've been giving him belly massages and letting him...

Baytril for URI, chin constipated and not eating