First, I hope you are recovering and improving from your injuries.
I suffered trauma and medicine-induced hair loss too. My hair is still very thin, but, being vain like I am, I discovered micro-extensions and now I look like I have longer, full hair again. It's a small thing, but it has helped me feel more like "me."
As for how people treat us when our bodies change, I like the comment above about not giving a sh*t, but honestly, I do. Too much. And I'm working on that, but a rapid image change is, for lack of a better word, traumatic in and of itself.