Is she eating her usual chicken feed? What type of feed do you use? I would provide some probiotics in her food if they are not on the label. With a damaged vent, she may leak white urates. You can alternate your antifungal cream with the Triple Antibiotic Ointment. Something like Nustock cream from a feedstore (in the horse supplies) is both antifungal and antibiotic, and can help treat vent gleet. Some use refrigerated coconut oil 1 tsp, cut into small pieces to help lubricate the system to help with constipation.