Getting an ADHD diagnosis

An ADHD diagnosis follows a clinical assessment of attention, impulsivity and hyperactivity, including how these difficulties affect everyday life. You can be assessed as a child or an adult. People seek an assessment to understand longstanding struggles with deadlines, unfinished tasks or restlessness, and to discuss treatment or support at school and work. ADHD starts in childhood, though it may go unrecognised for years. You do not have to be visibly hyperactive to have it.

A diagnosis can bring relief and difficult feelings about what was missed. It does not automatically fix the unpaid bills or strained relationships. Recognising yourself in a video or scoring highly on a screening questionnaire is not enough to establish ADHD. Poor sleep, anxiety and other conditions can cause similar difficulties or coexist with it. A thorough assessment may reach a different conclusion.

The clinician asks about your current difficulties, health history and childhood, using examples from different parts of your life. Questionnaires may help, along with information from someone who knows you, with your permission. A child’s assessment usually involves family and school. You should receive an explanation of the findings and discuss next steps. A diagnosis does not commit you to medication.

Childhood memories can be patchy, and school records may be missing. Tell the service beforehand if you cannot provide these or involve relatives. A questionnaire alone should not decide the outcome. If ADHD is not diagnosed, ask what else might explain your difficulties and what support is available. You still need help with the problems that brought you there.

A primary care clinician can explain the local referral route. Private assessments are also available in many places. Look for a qualified healthcare professional who assesses ADHD in your age group. Ask what the assessment includes, whether you will receive a written report and how long you may wait.

The assessment fee may exclude follow-up appointments, therapy and medication reviews. Check who will provide ongoing care and what it will cost before you book. Be wary of a service that promises a diagnosis in advance. Equally, good grades or reaching adulthood without a previous diagnosis are not enough on their own to rule ADHD out.