Can you get hold of some poultry vitamins? That might help. Reading back through, it looks like some of my posts seem harsh - please know that wasn't my intention. I learned about coccidiosis the hard way. By the time I knew what to do, I didn't have access to the right meds for almost three days - and lost a very special rooster. I still miss my Yukon!
I hope you can find a way through this - for both your sake and your birds', Keeping them hydrated and making sure they have electrolytes (Gatorade or a children's supplement, like Pedialyte) should help a lot. I'll keep my fingers crossed for you!