Infected sore

[Weeg]

You should quarentein her, you don't want any of he other chickens to peck a the wound after you open it up.

 

[Eggcessive]

I would try to open the lesion, but not cut on it. Betadine and Hibiclens and water are good disinfectants, or use mild soap and water, but again avoid the eye. If there is sneezing or congestion, it may be a respiratory infection.