What you have there is Albendazole which is a de-wormer, it's not effective in treating Coccidia.
The medications that treat Coccidiosis are in bold above.
Can you check her crop first thing in the morning before she's had anything to eat/drink to make sure it's empty? If it's not emptying overnight, that can make her feel bad and you will need to treat that.
Do you have any pet shops or feed supply stores that sell bird antibiotics or...
Hard to tell, but the poop looks like it may have some blood in it. Can you watch for her to poop some more and smear it on a white paper towel or something like that to see if there's blood?
Do you provide grit (crushed granite/small rocks) for your chicks?
Her being fluffed up like that I...