Ketamine-related rehabilitation referrals at a Welsh addiction service have risen sharply, highlighting growing concerns about young people experiencing dependence alongside potentially serious bladder damage.
Kaleidoscope, a charity providing drug and alcohol services in Wales, recorded 112 ketamine-related referrals in 2026 by the time of an October 20 BBC News report, compared with just two in 2021. Many of the people seeking support are aged between 18 and 24, with some having started using the drug during their teenage years.
The increase reflects demand at a particular treatment provider rather than a nationwide measure of ketamine use. Nevertheless, it raises significant questions about how rehabilitation services can support younger patients facing addiction, chronic pain and urinary complications.
Why Are More Young People Seeking Ketamine Treatment?
Kaleidoscope's residential rehabilitation service, Birchwood, has experienced a substantial increase in ketamine-related cases. The University of South Wales reported that cases at the service increased from two in 2021 to 101 by the end of 2025. The latest BBC reporting places the 2026 referral figure at 112.
The wider treatment trend is also significant. According to the National Crime Agency's 2026 assessment, 5,365 people started treatment for ketamine problems in England during 2024–25, compared with 426 in 2014–15.
However, treatment demand and drug-use prevalence are different measures. The Office for National Statistics estimated that 0.8% of people aged 16–59 in England and Wales used ketamine during the year ending March 2025. Among 16- to 24-year-olds, the estimate was 2.0%, with no statistically significant change from the preceding survey year.
More recent Home Office wastewater research, published on October 14, 2026, estimated an 11% decrease in ketamine consumption between early 2025 and early 2026 across consistently monitored sites in England, following several years of growth. The analysis did not cover Wales and cannot determine how many individuals used the drug.
Together, these findings show why increasing rehabilitation referrals should not automatically be interpreted as an equivalent increase in recreational use across the population.
How Ketamine Can Damage the Bladder
One of the most serious consequences associated with frequent ketamine misuse is ketamine-induced cystitis, sometimes called ketamine bladder. The condition involves inflammation and injury to the bladder and urinary tract, potentially affecting normal bladder function.
According to NHS clinical information, symptoms can include needing to urinate frequently, passing small amounts of urine, painful urination, blood in the urine and urinary incontinence.
Severe cases can involve damage extending beyond the bladder, including complications affecting the upper urinary tract and kidneys. Some patients may require specialist urological treatment, and advanced damage can sometimes be irreversible.
The government's Advisory Council on the Misuse of Drugs review, published in January 2026, identifies persistent urinary injury as a major health concern associated with repeated ketamine misuse.
Risk is particularly concerning with frequent or prolonged use, although individual outcomes vary. These findings concern ketamine-related harm and should not be treated as evidence that every person using the drug will develop severe bladder disease. Ketamine also has legitimate medical applications under professional supervision.
Why Rehabilitation Services Face New Challenges
The BBC's reporting describes young adults entering rehabilitation with physical complications that can interfere with daily life, education, employment and recovery.
Among those interviewed was Megan Harmes, 24, who described beginning ketamine use at 14 and later experiencing serious bladder problems, including incontinence. Her experience illustrates the potential consequences of prolonged misuse, but it does not establish how common such outcomes are among people who use ketamine.
For rehabilitation providers, dependence is only part of the clinical challenge. Patients may also need assessment and treatment for urinary injury, persistent pain and psychological difficulties.
Services must therefore consider how addiction treatment can be coordinated with other healthcare needs. Practitioners have also raised concerns about relapse and the difficulty of maintaining recovery when young people return to environments associated with previous drug use.
Those concerns underscore the importance of appropriate follow-up and support, although individual experiences cannot establish the effectiveness of a particular rehabilitation approach.
What Researchers Are Trying to Improve
The University of South Wales announced a research partnership with Kaleidoscope in April 2026 to investigate how treatment services can better respond to ketamine-related harm.
Supported by UK Research and Innovation in collaboration with the Office for Life Sciences' Addiction Healthcare Goals initiative, the project aims to improve referral pathways, patient assessment and monitoring during detoxification and rehabilitation.
Researchers plan to analyze existing service data, conduct staff focus groups and interview people with lived experience of ketamine dependence. The work also includes developing educational resources about associated health risks.
The project addresses gaps in understanding how patients' medical complications and recovery needs interact. However, its announced objectives should not be confused with completed clinical findings or demonstrated improvements in treatment outcomes.
What Is Known About Recovery and Long-Term Harm?
Stopping ketamine exposure is an important part of managing ketamine-related urinary injury, but recovery depends on the extent of existing damage. Symptoms may improve in some patients, while others experience persistent complications requiring specialist care.
The evidence does not support a universal recovery timeline or a guarantee that established bladder damage will reverse. Treatment needs can also differ substantially between individuals.
People experiencing urinary pain, frequent urination, blood in their urine or difficulty controlling urination should seek medical assessment rather than assuming the symptoms will resolve independently. Those struggling with ketamine dependence can also seek support from healthcare professionals and specialist addiction services.
The growing number of young people entering treatment at Kaleidoscope highlights a challenge extending beyond drug dependence alone: ensuring that rehabilitation services can recognize and address potentially serious physical harm while supporting sustained recovery.
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