Which are the most lethal drugs in Australia?

A new toxicity index may help GPs decide which drugs are safer to prescribe

The antipsychotic clozapine is nudging oxycodone, fentanyl and morphine when it comes to lethal toxicity, an Australian study suggests.

Dr Jonathan Brett
Dr Jonathan Brett.

Researchers have established a fatal toxicity index (FTI) for almost 100 drugs based on deaths in the Greater Newcastle Hunter region of NSW, drawing on 16 years of data from coronial inquests, the PBS and the local toxicology service.

The FTI ranks the