Inattentive ADHD causes a short attention span, distractibility, careless mistakes, forgetfulness, losing things, and difficulty finishing tasks or following instructions, with no hyperactivity, so it's often missed.
The symptoms, in plain English
The NHS lists nine signs of inattentiveness. Your child may show several of these:
- a short attention span and is easily distracted
- makes careless mistakes, for example in schoolwork
- appears forgetful or loses things
- is unable to stick at tasks that are tedious or take a long time
- seems unable to listen to or carry out instructions
- is constantly changing activity or task
- has difficulty organising tasks
Day to day this looks quiet, not chaotic: homework left unfinished, instructions missed even while looking straight at you, the PE kit and water bottle gone again, a slow effortful start to anything dull, and a lot of zoning out. It is not the bouncing-off-the-walls picture many parents expect when they hear the word ADHD.
It is real ADHD, just without the hyperactivity
Inattentive ADHD is the same condition as the more familiar kind, with the obvious restlessness and impulsiveness stripped out. It is one of three recognised presentations: predominantly inattentive, predominantly hyperactive-impulsive, and combined. The older name for the inattentive type was ADD (attention deficit disorder), and the NHS still notes that wording. The NHS explains that some people show only one type of symptom rather than both.
Because the signs are quiet rather than disruptive, a child is often read as a daydreamer, lazy, or away with the fairies instead of being recognised. The NHS notes that ADHD is picked up less often in girls, partly because girls more commonly have inattentive symptoms that are harder to spot. Difficulties can also become clearer as school demands grow, and the Royal College of Psychiatrists notes the presentation can shift with age.
When it is a symptom, not ordinary distraction
Every child loses focus sometimes. What sets ADHD apart is the pattern. A clinician looks for several inattentive signs that:
- started before the age of 12
- show up in more than one setting, such as home and school
- have lasted at least six months
- get in the way of everyday life
One or two signs in a single place is not enough. A symptom list does not diagnose anything either: only a specialist can make the diagnosis, after an assessment. The list tells you whether it is worth raising, not what the answer is.
This page is general information, not clinical or legal advice.
Where the law comes from
This page is general information, not clinical or legal advice.