Why is my iguana losing toes?

It is probably from retained sheds. Easiest way to prevent this is to make a humid hide. As your ig gets bigger you have to get creative to make one big enough (a rubbermaid with a hole in the side 1/2 filled with moss works well. This is a link to my favorite ig care page a href="http://www.greenigsociety.org/" rel="nofollow"http://www.greenigsociety.org//a