In need of help sick chickens!

[alexthefarmlady]

so today I bring me chickens out like normal and I notice my hen. And she has a swollen face on one side And her rooster kinda has A swollen face I’m Very worried please anything you know please let me know

 

[alexthefarmlady]

This is them

 

[HuskerHens18]

Is your coop clean? I think too much ammonia from their poo causes face swelling. I could be wrong