Krokodil Tears
Before we set off on our trip, we heard whispers of a new drug called krokodil—a homemade synthetic opiate stronger than heroin made from petrol and codeine—that gets its reptilian name because it turns addicts’ skin scaly, while eating them from the inside, rotting the brain and limbs before invariably killing
its users.
http://www.vice.com/read/krokodil-tears-v18n9