it (Nuijten et al., 2016; Conti et al., 2014; Novak and Kral, 2011). Pictures of various types of cocaine products and typical dosing are provided.5.Cathinones (“cathinones such as bath salts, drone, M-cat, MDVP or meph”). The unit of measurement is in occasions (max use measured in mg). Pictures of various types of cathinones and information about mgs per package are provided.6.Methamphetamine (“meth or crystal meth”). Methamphetamine is measured in total occasions (max use in mg). Pictures of various types of methamphetamine products and information about typical dosing are provided. Follow-up questions on the TLFB ask about typical route of administration (smoking, oral ingestion, intranasal/snorting, injecting subcutaneous, injecting intramuscular, injecting intravenous), how often they inject methamphetamine, how often they use clean needles, and how often they smoke it (Novak and Kral, 2011; Cunningham et al., 2015; Hadland et al., 2010; Marshall et al., 2012; Al-Tayyib et al., 2014).7.3,4-methylenedioxymethamphetamine (“ecstasy, molly or MDMA”). MDMA is measured in number of tablets (max use, TLFB). Pictures of forms of MDMA/ecstasy and information about typical dose per pill or powder are provided.8.Ketamine (“ketamine or special K”) is measured in occasions (max use in mg). Pictures of forms of ketamine and information about dosing are provided.9.Gamma
