nasal flush

Hi, I got four chinese silkies, but when they arrived they got colds. (Maybe due to the fact it was transported by a truck and heavy wind blowing) The male is the one with more symptoms as one side of its nasal sinus become swollen. Tried pressing thinking the accumulations will exit nasal...

One of my Pullets has a swelling under her eye that doesn’t seem to me responding to Tylan. She’s been on Tylan for about 7 days now. Yesterday was the last day for dosing but now Her sinus under left eye has swelled up and eye is closed. She seems lethargic and is doing the open mouth...