ADHD is a neurodevelopmental disorder involving persistent difficulties with attention, impulse control and/or activity that are inappropriate for the person's developmental stage and interfere with functioning in several areas.
- Everyone is distracted or restless sometimes. In ADHD, these features are long-standing, began in childhood and cause clear limitations.
- There are predominantly inattentive, predominantly hyperactive-impulsive and combined presentations. The pattern may change with age.
- ADHD is not caused by laziness, poor parenting or insufficient willpower.
- No single blood test, brain scan or online questionnaire proves the diagnosis.
- A careful assessment uses information from different stages of life and settings, and also considers sleep, mood, learning, substance use and other explanations.
- Treatment may include information, adjustments at home, school or work, skills training, psychological treatment and medication.
- The aims are better functioning, less harm and more control over life, not erasing someone's personality.
- Suicidal thoughts, acute psychosis, dangerous behaviour or severe intoxication require immediate help.
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General information, not personal medical advice
This article has been carefully prepared but may contain errors or become outdated as medical knowledge changes. It does not replace diagnosis, examination or treatment by your own GP. Always discuss personal questions and starting, stopping or changing medicines or treatments with your own GP.
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