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. She uses meth daily and other drugs sometimes.

Nalmefene Is Not “Just Like Naloxone”

Opvee, an opioid-overdose antidote manufactured by Indivior that was approved in 2023, has in recent weeks been slowly rolling out…

February 23, 2024

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

Cops seem to have decided that ever since fentanyl came into the illicit drug supply, regular-strength Narcan is no longer…

February 13, 2024

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 police liability in civil lawsuits over…

February 5, 2024

White House Issues Very Soft Call for Prisoner Access to OUD Meds

The White House Office of National Drug Control Policy (ONDCP) released its first press release of 2024, promoting a January…

January 31, 2024

The DEA Made a “Fentanyl Facts” Quiz. Let’s See How They Did.

One of the weirder things to come out of the Drug Enforcement Administration (DEA) "One Pill Can Kill" fentanyl awareness…

January 29, 2024

More K-12 Schools Receiving Narcan, If Not the Best Education About It

As of January 6, all New York City public schools are required to carry naloxone. This was already a requirement…

January 23, 2024

Stimulant Treatment Research Finally Uses Outcome Besides Abstinence

To whatever degree harm reduction has gotten mainstreamed, it still hasn't budged the meaning of “treatment” and how we measure…

January 10, 2024

The FDA Draft Guidance for Stimulant Use Disorder Medication Is… Decent

One of the reasons we have Food and Drug Administration-approved medications for opioid use disorder (OUD) is that opioids are…

November 28, 2023

SAMHSA’s National Drug Use Survey Has a Fentanyl Problem

Up through 2021, the Substance Abuse and Mental Health Services Administration (SAMHSA) national drug use survey didn't include illicit fentanyl.…

November 16, 2023

China to Target Fentanyl Precursors, Deepening the Synthetic Drug War

China has reportedly agreed to crack down on companies that manufacture and export fentanyl precursors, a key deliverable for President…

November 14, 2023