Sounds more like a respiratory illness. Treat symptoms with Tylan 50 cattle injectable from.TSCompany for $10. Don't let them tell u to use the powdered Terrimyician...won't work.1/2cc for standard. 1/4 cc for bantam or youngsters. Drop for chicks..can inject under skin or.dribble in beak. 2x day.for 3.days....Do a search on respiratory diseases as their is much involment.