The logic sounds straightforward: people are going to take illegal drugs anyway, so why not test them and perhaps save a life?
But there is something decidedly odd about the government’s position.
The law says: Don’t take these drugs. They are illegal and potentially dangerous.
The government then says: But if you are going to take them, bring us a little bit first and we’ll test it for you.
That is a mixed message.
What Does Pill Testing Actually Prove?
Less than many people might assume.
Normally the entire pill isn't tested. A tiny scraping or fragment is analysed and the owner keeps the remainder.
That matters because illegal drugs aren't manufactured under pharmaceutical quality controls. Ingredients may not be evenly distributed, so the small portion tested may not have exactly the same composition as the rest of the pill.
There are limitations to the testing technology as well. NSW Health itself warns that substances present at very low concentrations — including highly potent drugs such as fentanyl or nitazenes — may not be detected.
False negatives aren't merely theoretical. Real-world studies have found samples where point-of-care testing failed to identify fentanyl that subsequent laboratory analysis detected.
So a test does not establish:
“This pill is safe.”
At best it establishes:
“Nothing particularly dangerous was detected in the small sample we tested, within the limitations of the equipment.”
That's quite a difference.
Then There Is the Next Pill
Suppose someone buys several apparently identical pills and has one tested.
Even if the tested pill contains exactly what was expected, that doesn't guarantee the composition of the others.
There is also a more subtle behavioural question.
Someone takes a tested pill at a festival and suffers no ill effects. A week later they are offered another pill somewhere without testing.
Has their experience made them more cautious about illegal drugs — or more confident about taking them?
That brings us to what economists call moral hazard: reducing the perceived risk of an activity can sometimes encourage more of that activity.
An official government testing booth may unintentionally convey the message:
Illegal drugs are part of the festival experience. Just get them checked first.
That may be the opposite of what the government intends, but it is a risk worth considering.
There Are Benefits
There is evidence that pill testing can reduce harm.
During the NSW trial, unexpected substances were identified and some users subsequently said they would discard their drugs, take less or not take them at all.
Testing also gives health workers an opportunity to speak directly with drug users about the risks.
Those are genuine benefits.
But they don't answer the broader policy question.
One Government, Two Messages
The NSW Government prohibits possession and supply of drugs such as MDMA, cocaine and methamphetamine. Police enforce those laws and health authorities warn of their dangers.
Yet another arm of government will now spend taxpayers' money analysing those same illegal drugs immediately before people consume them.
Perhaps that can be justified pragmatically. People will take drugs regardless of the law, and if testing prevents deaths, supporters argue that government should provide it.
But there is a price to that pragmatism.
Government risks normalising illegal drug-taking while creating a degree of reassurance that the science cannot actually provide.
A tested sample isn't necessarily a safe pill.
A tested pill doesn't guarantee the next pill.
And testing cannot turn drugs manufactured illegally, with unknown ingredients and no quality control, into regulated pharmaceuticals.
So perhaps the real question isn't whether pill testing can sometimes reduce harm. Clearly it can.
The harder question is whether government should be providing a service that may make taking an illegal and inherently unpredictable drug appear safer — and more officially sanctioned — than it really is.
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