An interesting video, but fair warning before you watch: it gets pretty graphic about halfway through. They show some clips of people with the side-effects of krokodil: the skin drying out, falling off, and parts of bodies getting pretty raw.

I don't have a particularly weak stomach, but my dinner started getting restless.

Yup, even after seeing to many weird videos, this is one of the 5 worst I know.

tl;dr: it will kill you within about 1 year. Horribly. But it's still popular.