Advice please...my duckling is limping--I think she is injured!

[OneEggToRuleThemAll]

New duck grandma here hoping one of you can assist me with my daughter’s duck. Couple weeks ago when she was changing the bedding out of the pool the ducks are in. She took the ducks out, once she was done. She went to put the ducks back in, and the one duck was limping and couldn’t walk. She has been separated from the other duck to keep her calm into help her heal. Help please my grandson is so upset over his duck. She has been putting brewers yeast in the food for the past couple weeks. She is getting a little better, but still needs some improvement.

Aww, poor little thing. It's sad to watch them limp! How old are the ducks? And what breed? I had success treating my duckling's leg injury by giving her some supervised swimming time a couple times per day (the exercise seemed to help a lot), supplemental Vitamin B Complex, and comfrey tea to drink and soak in 2-3x per day.