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Drug misuse remains a recurrent feature in family proceedings, often shaping decisions around safeguarding, supervision and contact.
However, the substance abuse landscape is no longer confined to heroin, cocaine, and cannabis. Toxicology laboratories are seeing an increase in controlled prescription drug misuse, the continued emergence of New Psychoactive Substances (NPS), and a marked rise in poly-drug use.
In addition, street drugs are increasingly adulterated or contaminated, meaning individuals may be unaware of the full range of substances they have consumed, many of which fall outside standard drug testing panels and may not be detected unless specifically requested.
For legal practitioners, it is no longer enough to know whether someone has taken a drug. Understanding what that drug is, how it is classified, and how it is typically used is equally important.
In family cases, how a substance is classified under UK law can have a real bearing on how risk is assessed and how evidence is framed.
Importantly, legal status does not necessarily reflect safeguarding risk. A substance may be lawfully prescribed, yet misused in a manner that impairs cognition, behaviour, or parenting capacity.
While traditional illicit drugs remain relevant, family practitioners are increasingly encountering a broader spectrum of substances in legally-instructed testing:
We are also seeing increasing misuse of prescription-only medications including anticonvulsants like gabapentin and pregabalin, antidepressants, antipsychotics, and anabolic steroids. These substances may be lawfully prescribed, yet excessive or non-prescribed use can contribute to mood instability, cognitive impairment, or behavioural volatility.
Understanding the main drug groups can help shape the scope of testing instructed and avoid gaps in the evidential picture.
Standard drug panels are designed to detect the most misused controlled substances. However, where prescription drug misuse, synthetic cannabinoids, or emerging psychoactive substances are suspected, an extended panel may be required.
Results must also be interpreted within clinical and behavioural context. The presence of a prescribed medication does not automatically indicate misuse; conversely, lawful access does not negate safeguarding concerns.
In response to demand for our previous guide, Drug & Alcohol Testing: a summary of testing options, we have developed a complementary guide for family law professionals: The main drug groups in the UK: legislation, medical applications and symptoms of misuse.
The guide provides:
Drug misuse remains a recurrent feature in family proceedings, often shaping decisions around safeguarding, supervision and contact.
However, the substance abuse landscape is no longer confined to heroin, cocaine, and cannabis. Toxicology laboratories are seeing an increase in controlled prescription drug misuse, the continued emergence of New Psychoactive Substances (NPS), and a marked rise in poly-drug use.
In addition, street drugs are increasingly adulterated or contaminated, meaning individuals may be unaware of the full range of substances they have consumed, many of which fall outside standard drug testing panels and may not be detected unless specifically requested.
For legal practitioners, it is no longer enough to know whether someone has taken a drug. Understanding what that drug is, how it is classified, and how it is typically used is equally important.
In family cases, how a substance is classified under UK law can have a real bearing on how risk is assessed and how evidence is framed.
Importantly, legal status does not necessarily reflect safeguarding risk. A substance may be lawfully prescribed, yet misused in a manner that impairs cognition, behaviour, or parenting capacity.
While traditional illicit drugs remain relevant, family practitioners are increasingly encountering a broader spectrum of substances in legally-instructed testing:
We are also seeing increasing misuse of prescription-only medications including anticonvulsants like gabapentin and pregabalin, antidepressants, antipsychotics, and anabolic steroids. These substances may be lawfully prescribed, yet excessive or non-prescribed use can contribute to mood instability, cognitive impairment, or behavioural volatility.
Understanding the main drug groups can help shape the scope of testing instructed and avoid gaps in the evidential picture.
Standard drug panels are designed to detect the most misused controlled substances. However, where prescription drug misuse, synthetic cannabinoids, or emerging psychoactive substances are suspected, an extended panel may be required.
Results must also be interpreted within clinical and behavioural context. The presence of a prescribed medication does not automatically indicate misuse; conversely, lawful access does not negate safeguarding concerns.
In response to demand for our previous guide, Drug & Alcohol Testing: a summary of testing options, we have developed a complementary guide for family law professionals: The main drug groups in the UK: legislation, medical applications and symptoms of misuse.
The guide provides:
Update from the Chair of the Bar
By David Green
Mário Barroso, Head of R&D and Method Development at AlphaBiolabs, examines the forensic science underpinning hair drug testing, its evidential scope and limitations, and why it remains the gold standard for evidencing patterns of drug use in family proceedings
Unlocking your aged debt to fund your tax in one easy step. By Philip N Bristow
Clement Cowley, Partner at The Penny Group, discusses the upcoming changes to pensions and Inheritance Tax and the potential impact on your financial future
Save the Children UK is the latest charity to benefit from a £500 donation from AlphaBiolabs via the company’s Giving Back initiative
The Chief Legal Officer to the Metropolitan Police, barrister Brett Welch, tells Anthony Inglese CB about his mission and the work to turn the Met around
Barrister apprenticeships – shortly to provide the fourth pathway to the Bar – are an ideal opportunity to support local talent and ‘grow your own’, say Tim Coulson and Dr Jane Dennehy
Grok around and find out – or not? Mariya Peykova investigates the nudification scandal, what the law has to say about sexually explicit deepfakes, and whether stronger regulation is needed
Oliver Lewis spotlights an overlooked yet rapidly evolving area of law – coercive and controlling behaviour within care contexts
For one night only at Middle Temple Hall (Sunday 26 July 2026) – Abigail Bright introduces the famed annual fundraising theatrical event. This year, Martin Shaw and Jason Watkins perform John Mortimer’s The Dock Brief, a mixture of farce and pathos and all in support of the work of the Kalisher Trust in its 30th year
