PremiumNeil ReidSenior reporter·NZ Herald·15 Jul, 2026 05:00 PM3 mins to read‌Samples of cocaine, ketamine, meth and MDMA tested in New Zealand have revealed the presence of dangerous anti-worming drug levamisole. Photo / 123RFAs Class A drug use soars in New Zealand, recreational drug testing has revealed traces of a banned anti-worming drug added by dealers – to increase the volume of their illegal products.

High Alert, the national drug early warning system, is blowing the whistle over harmful levamisole detected in