Corid is a super-gentle wormer. It's a good idea to treat the entire flock with a round once or twice a year as a preventative.
Unsure about the intensity of Safeguard on their systems.
If your mama doesn't improve, it might be worth trying the wormer... since, you know, last resort and all...
I wish I were of more help to you but I am at a loss. The only other thing I can figure could be some kind of internal infection or something that, obviously, we can't see. :/
I hope someone can come in and help.
Again, pictures certainly help if you can manage one or two!
MrsB
Pictures of your hen and her poop would greatly help if you can get one up with your mobile. <3
I forgot to ask.... When was the last time you wormed them?? :)
Neon green poop is a sign of malnutrition, either from a hen not eating (due to illness) or due to worms!
Your vet can do a fecal...
(EDIT - Further research helped me realize that a hen could not survive being egg-bound for two weeks.... Nevermind.)
Other than that, I have no idea. I assume you have checked her thoroughly for any hidden injury/cut/bite/wound/etc?
Is she sneezing, have nasal discharge, eye bubbles, or...