I noticed a few days ago that one of my hens(Margie) had a swollen eye. I looked closer and there seemed to be some tiny bubbles in the watery stuff of the eye, and was all crusty around it. I tried reading what to do about it, I cleaned off the eyelid and surrounding area with a cloth and warm water, then flushed with saline. Then I put some yogurt on it because I read that it would help and is probiotic. As soon as I let her go she rubbed most of it off. Today she looks so much better and is able to open her eye completely, BUT, both eyes on a different hen(Hilda) are watery and have bubbles now. She is obviously feeling under the weather as well. I didn't notice with Margie, but Hilda does have diarrhea that is sort of yellowish. Obviously, this is something contagious. What should I do? Should I get some antibiotics and treat all four of my chickens? I really don't have the money to see a vet, or to have tests done, does anybody know what antibiotics would be my best bet? Please help, I love my girls.