Before revision: At least 17 other people have had medical treatment after taking the white heroin.British tourists who died ‘after snorting white heroin’ named The Guardian
After revision: SwedenNine deaths occurred in Sweden during 2010–11 relating to use of Krypton, a mixture of kratom, caffeine and O-desmethyltramadol, a metabolite of the opioid analgesic tramadol.At least 17 other people have had medical treatment after taking the white heroin.British tourists who died ‘after snorting white heroin’ named The Guardian