Kastalia Medrano

    Kastalia is Filter‘s deputy editor. She previously worked at a number of other media outlets and wouldn’t recommend the drug coverage at any of them. When not at Filter, she works with drug users in NYC and drug checkers in North Carolina to track hyperlocal supply changes, and cohosts a national stimulant users call with Isaac Jackson.

    If Abstinence Isn’t the Point of Contingency Management, What Is?

    There aren’t any treatments for stimulant use disorder (SUD) that have strong evidence, but ...

    The Campaign to Call Fentanyl Deaths “Poisoning” Is Working as Intended

    A basic concept of toxicology is that “the dose makes the poison.” Any substance ...

    CBP Launches Operation Plaza Spike, “Next Phase” in War on Fentanyl

    Customs and Border Protection (CBP) has begun the latest iteration of its synthetic drug ...

    CDC: Overdose Deaths Leveled Off in 2022, Still Setting New Record

    The United States recorded 107,941 drug overdose deaths in 2022, according to final data ...

    Oregon Lawmakers Recriminalize Drugs, Under the Guise of Treatment

    On March 1, Oregon legislators approved a bill to recriminalize drug possession, undoing the ...

    Nalmefene Is Not “Just Like Naloxone”

    Opvee, an opioid-overdose antidote manufactured by Indivior that was approved in 2023, has in ...

    You Can Definitely Misuse Naloxone, If You’re a Cop

    Cops seem to have decided that ever since fentanyl came into the illicit drug ...

    WA Advances Fentanyl-Detecting K-9s—and Police Immunity From Damages

    Washington State has advanced a bill to train drug-sniffing dogs to detect fentanyl—and limit ...