Here are some links to read about Mareks disease, just in case this could turn out to be that:
http://extension.unh.edu/resources/files/Resource000791_Rep813.pdf
https://www.backyardchickens.com/a/the-great-big-giant-mareks-disease-faq...
Does your vet medicine have a label with riboflavin or vitamin B2 written on it? Here are some links about toe taping and splinting:
http://www.avianaquamiser.com/posts/Chick_curled_toe/
http://www.the-chicken-chick.com/2012/02/spraddle-leg-in-baby-chicks-what-is-it.html...
If your vitamin supplement was B Complex, that should contain riboflavin. Riboflavin-rich foods are egg, salmon, liver, beef, pork, spinach, nuts, and sesame seeds. Nutritional yeast is also a good source. You might try making her a shoe to stretch out the toes. Curled toe paralysis can be...