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Late diagnosis ADHD in adults?

Quick answer: Around 2% to 3% of adults meet ADHD criteria. Many are diagnosed later when life demands increase. If you have persistent attention and organization patterns across settings, schedule an evaluation to explore skills, accommodations, and treatment options that improve daily functioning and quality of life.

Adults often adapt for years. New job demands, parenting, or returning to school can expose attention and executive challenges that were previously masked by routine.

How common is adult ADHD? Systematic reviews suggest approximately 2 to 3% of adults meet criteria at any point in time. Many are first recognized later in life when demands rise or when a child is evaluated and family patterns are noticed.

How do clinicians confirm it? DSM‑5 criteria with a history of several symptoms since earlier life, clear impairment across at least two settings, and careful differential diagnosis (sleep problems, anxiety/depression, substance effects, and relevant medical issues).

What to bring to speed the process: three concrete examples of day‑to‑day impact, any past report cards or performance reviews if available, current medicines, and any prior evaluations. Ask if rating scales should be completed before the visit.

Next steps after diagnosis: skills (time boxing, visual timers, single trusted task system), routines (sleep, movement, planning), workplace/school accommodations where appropriate, and discussion of medicines when clinically indicated.