Awwww poor baby!
It could possibly be infectious coryza, but I'm not sure. I found a website and this is what it says about it:
Disease:
Infectious Coryza-affects Chickens only
__________________________________
Cause:
Recovered apparently healthy birds remain carriers. Contact at poultry shows.
Sick birds. Dust or water contaminated by discharge.
__________________________________
Signs and Lesions:
Rapid onset. Swollen sinuses, nasal discharge, eyelid may stick shut, drop in feed consumption & egg production.
__________________________________
Prevention (P) and Treatment (T):
P-Don't mix age groups. T-Antibiotics or sulfa drugs effective in some cases. Use as cleared by vet.
__________________________________
It could also possibly be Avian Pox???
Disease:
Avian Pox-affects Most birds
__________________________________
Cause:
Virus. Direct contact with infected birds. Mosquitoes carry virus from wild & other birds.
__________________________________
Signs and Lesions:
Dry Pox; small yellow warts on wattles, comb, face. These increase in size. Dark brown scabs form, then drop off. Wet Pox; yellow, cheesy lesions in mouth, windpipe.
__________________________________
Prevention (P) and Treatment (T):
P-Vaccination is recommended in areas of large mosquito populations. T-Swab lesion with Lugol's solution of iodine.
Here's the website:
http://www.welphatchery.com/poultry_health.asp
Hopes this helps and good luck!