Fentanyl-da dawooyinka waa opioid synthetic, oo loo oggolaaday daawaynta xanuunka daran, sida caadiga ah xanuunka kansarka ee sare u kacay. Waxay 50 ilaa 100 jeer ka awood badan tahay morphine. Si kastaba ha ahaatee, fentanyl-ka sida sharci-darrada ah loo sameeyo waxaa lagu iibiyaa suuqyada daroogada ee sharci darrada ah si ay u saamayso heroin-ka oo kale, waxaana inta badan lagu qasaa heroin ama daroogo kale, sida kookeynta, ama lagu cadaadiyo kaniiniyada dhakhtar qoray ee been-abuurka ah.
