Mental Health

Adult ADHD: A Recognised, Treatable Condition

Many adults seek diagnosis after a child or partner is diagnosed.

Dr. Élise Rambert

Psychiatrist

6 min read
Medical illustration of Adult ADHD: A Recognised, Treatable Condition

In simple terms

Adult ADHD affects 2-5% of adults. Diagnosis and treatment can dramatically improve work and relationships.

What you need to remember

  • Diagnostic processDetailed clinical interview, validated questionnaires, collateral information.
  • TreatmentStimulants (methylphenidate, lisdexamfetamine) are first-line and highly effective
  • ComorbiditiesAnxiety, depression and substance use are common — treat in parallel.

Inattention, hyperactivity (often internalised in adults), impulsivity, emotional dysregulation. Symptoms must have started in childhood.

Diagnostic process

Detailed clinical interview, validated questionnaires, collateral information. Rule out depression, anxiety, sleep disorders, substance use.

Treatment

  • Stimulants (methylphenidate, lisdexamfetamine) are first-line and highly effective
  • Atomoxetine, guanfacine as non-stimulant options
  • Psychoeducation and coaching markedly improve daily function

Comorbidities

Anxiety, depression and substance use are common — treat in parallel.

Untreated adult ADHD is associated with lower income, more accidents, and shorter relationships — treatment changes trajectories.

The words explained

Medical terms used above, in everyday language.

Symptom
A sign you can feel or see that something is wrong, like pain, tiredness or a rash.
Diagnosis
The moment a doctor identifies which illness is causing your symptoms.
Anxiety
Ongoing worry or fear that is strong enough to affect daily life.

When should you see a doctor?

  • Your symptoms last more than a few weeks or keep coming back.
  • They get worse quickly, or stop you doing everyday things.
  • You notice sudden pain, breathing trouble, fainting or bleeding — seek urgent care.
  • You already take medication and want to change anything about it.

This article explains general health information. It does not replace advice from your own doctor.

Frequently asked questions

What is Adult ADHD: A Recognised, Treatable Condition?
Adult ADHD affects 2-5% of adults. Diagnosis and treatment can dramatically improve work and relationships.
What are the main symptoms or signs of Adult ADHD: A Recognised, Treatable Condition?
Common signs vary from person to person. The article above lists the symptoms to watch for, how they progress, and when they need medical attention.
When should you see a doctor for Adult ADHD: A Recognised, Treatable Condition?
See a doctor if symptoms last more than a few weeks, get worse quickly, stop you doing everyday things, or if you notice sudden pain, breathing trouble, fainting or bleeding.