oeder admitted selling phenazepam to 18-year-old and others around the country.Phenazepam is a benzodiazepine drug related to Valium but many times stronger.??? Phenazepam magnifies the effects of other substances and can be fatal in small doses, especially when mixed with alcohol and other depressants.??? Even snorting one line can cause an overdose.??? Its delayed effect, which can take 2-3 hour