Freddie van Mierlo

Freddie van Mierlo

Liberal Democrat — Henley and Thame

Speaking in the House of Commons on 10 June 2025

Debate

Attention Deficit Hyperactivity Disorder

Contribution

The hon. Gentleman is right to point out that increased awareness of a condition naturally leads to an increase in the number of people seeking diagnosis. I believe the same was true of left-handedness when that became less of a taboo. I am told that seeing every person who is on a waiting list could cost as much as £3 billion to £4 billion. We must therefore find a way to target urgent, psychiatrist-led care where it is most needed, and to triage early so that the most severe cases get support, along with those who are already taking powerful medication. To that end, I welcome and commend the Government on the launch of the taskforce in March 2024. From the discussions that I have had, however, I know that the communication with ICBs has not been good enough. The initial data from the taskforce shows that an estimated 2.5 million people in England have ADHD, with more than half a million on waiting lists. To end this farce, we need a system that is adapted to manage the new volume of patients with appropriate levels of care. It does not help to say that there is an overdiagnosis of mental health conditions, as the Health Secretary has said; rather, we need to look at models that will diagnose and treat all patients using the most appropriate tool for their level of need. A good start would be to include ADHD in the 18-week pledge on first appointments. Currently, ADHD treatment is not considered a consultant-led area, even though GPs cannot diagnose. Waiting times should be defined by ICBs, with NICE guidance. The consequences of getting it wrong are clear. ADHD is a leading cause of school exclusions, lower academic achievement and increased drop-out rates, and 25% of the UK prison population has ADHD, with untreated symptoms often driving impulsivity and crime. Untreated ADHD is also strongly linked to substance misuse, family breakdowns and severe mental health issues.

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