Update! My hen is doing great!!! Put her in a homemade sling made out of my husbands t-shirt...it helped her to stand. She's doing great & back running around with the rest of the hens!
Sorry it took so long to put in this update:(
I have the same issue with one of my Orpington hens. She was walking around puffed up for a while and not too active. She got to the point of not being able to stand up. I gave her antibiotic shots for 4 days, she is eating well now and seems fine, except that she still can't stand up! She acts...