Parent Guide

ADHD Medication for Children:
A Parent's Starting Point

If you're starting to wonder about medication for your child — what it is, how it works, what the options are — here's a plain-English guide. This isn't medical advice. It's the information I wish I'd had before my first appointment.

✍️ Written by Sarah M. 🗓️ April 2026 ⏱️ 14 min read
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I'm a parent, not a doctor, pharmacist or mental health professional. This guide is a starting point only. It draws on publicly available information from NICE (National Institute for Health and Care Excellence), the NHS, peer-reviewed research published in The Lancet Psychiatry and the Journal of the American Academy of Child & Adolescent Psychiatry, and NHS shared-care protocols. It is not medical advice and must not be used to make any treatment decision. Please speak to your child's GP, paediatrician or ADHD specialist about any question you have. Never start, stop, or change a child's medication without medical supervision.

ADHD medication is one of the most searched and most anxiously discussed topics in SEN parent groups. Parents want to know what the options are. They want to know if it's safe. They want to know what it will do to their child. And they want to know what they should ask the doctor — because half an hour with a paediatrician, with a nervous child next to you, is rarely enough time to cover everything.

I can't tell you whether medication is right for your child. No one on the internet can. But I can put the information in one place — calmly, factually, and in plain English — so that when you do sit down with your doctor, you've got your bearings. That's all this is.

First things first: medication isn't the whole picture

This is worth saying before anything else, because it gets lost in the noise.

NICE — the body that sets NHS treatment guidelines — is clear that ADHD medication is never the whole answer. Their guidance (NG87, the main UK clinical guideline on ADHD) recommends medication only as part of a wider treatment plan that also includes education about ADHD, parent and carer support, school-based adjustments, and — where relevant — psychological interventions. For children under 5, NICE does not recommend medication as a first-line treatment at all. Group-based parent-training is the starting point for that age group.

For children aged 5 and over, medication is recommended only when ADHD symptoms are still causing significant impairment in at least one area of daily life — home, school, friendships, self-esteem — despite environmental changes being in place. It's not a first resort. It's a tool considered when the other tools haven't been enough on their own.

Medication manages symptoms; it doesn't cure ADHD. The US ADHD organisation CHADD puts it well: ADHD medication is like glasses — it helps when it's working, but your child's underlying brain wiring is the same either way. The goal is usually to take some of the load off, so that therapy, parenting strategies and school support have a better chance of landing.

Who can actually prescribe ADHD medication?

In the UK, ADHD medication for a child must be initiated by a specialist. That usually means:

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A paediatrician

Community or hospital-based paediatrician with ADHD expertise. Often the first specialist families see via the NHS pathway.

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A child psychiatrist

Based in Child and Adolescent Mental Health Services (CAMHS). More common where there are co-occurring mental health concerns.

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A specialist ADHD nurse prescriber

Works within a CAMHS or paediatric team. Can initiate and titrate medication under the team's governance.

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A Right to Choose provider

NHS-contracted providers such as Clinical Partners, Psicon, Psychiatry-UK. Still an NHS service — see below.

Your GP cannot start your child on ADHD medication directly. What they can do — and what very often happens — is take over the repeat prescribing once a specialist has found the right medication and dose, and your child is stable on it. This is called a shared care agreement, and NICE supports it as standard practice. It usually kicks in after at least 12 weeks of specialist-led dose finding, and the specialist stays involved for ongoing reviews.

NHS CAMHS vs NHS Right to Choose

Most families start with their GP, who refers to the local NHS paediatric or CAMHS team. Waiting lists for these teams in many parts of the UK are now measured in years rather than months, which is a significant part of why so many families have turned to NHS Right to Choose.

In England, patients have a legal right under NHS rules to choose which NHS-contracted provider they are referred to for most specialist assessments. Some Right to Choose providers can see children significantly faster than local CAMHS, while still being an NHS service — treatment is NHS-funded and prescriptions are NHS prescriptions at the normal prescription cost (or free if your child qualifies).

Waiting times vary and some local Integrated Care Boards (ICBs) have introduced restrictions on Right to Choose referrals. Before asking your GP for a referral, it's worth checking the current status — ADHD UK keeps an up-to-date list of providers and wait times, and also tracks which ICBs have introduced restrictions.

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Sarah's experience

"When Jude was being assessed, I genuinely did not know any of this. I thought you went to the GP and the GP sorted it. It was a friend in a parent group who mentioned Right to Choose. I'm not recommending any one route — your local CAMHS may be the right fit — but knowing you have options changes how the conversation at the GP goes."

Before medication even starts: the baseline assessment

NICE requires a proper baseline assessment before any ADHD medication is prescribed. This isn't a formality — it's the safety net. Typically it includes:

Since September 2019, NICE no longer requires an ECG before starting ADHD medication unless there's something in the cardiovascular history or examination that flags it as necessary, or the child is taking another medication that poses increased cardiac risk. That was a change many parents found reassuring.

The medications used in UK children

In the UK, five medications are licensed for treating ADHD in children and young people aged 6 to 17. They fall into two groups: stimulants and non-stimulants. Here's an overview of each. None of this is a substitute for your specialist's recommendation — it's background so you're not hearing the names for the first time in the appointment.

Stimulants — NICE's first-line choice

Stimulants work quickly (within 30 to 60 minutes of a dose) and are the most extensively researched ADHD medications. They work by increasing levels of dopamine and noradrenaline in parts of the brain involved in attention, impulse control and executive function. A major network meta-analysis published in The Lancet Psychiatry in 2018, which pooled data from over 130 randomised controlled trials, concluded that stimulants show a large effect on reducing core ADHD symptoms in children and adolescents, with methylphenidate recommended as the first pharmacological choice for this age group.

Methylphenidate

Stimulant · First-line

Common UK brand names: Ritalin, Concerta XL, Equasym XL, Medikinet, Xaggitin XL, Delmosart, Matoride XL

Licensed from:Age 6 and over (some use from age 5 under specialist supervision) Forms:Immediate-release tablets (3–4 hour effect) and modified-release tablets or capsules (8–12 hour effect) How it's taken:Once or twice daily, usually in the morning and sometimes early afternoon Onset:30 to 60 minutes Common side effects:Reduced appetite, difficulty sleeping, headache, stomach ache, small increase in heart rate and blood pressure, irritability as the dose wears off ("rebound") Controlled drug:Yes — Schedule 2. Supplies limited to 30 days; ID may be required at collection

Lisdexamfetamine

Stimulant · Second-line

UK brand name: Elvanse

Licensed from:Age 6 and over, when methylphenidate has been tried and not given enough benefit (or not been tolerated) Forms:Modified-release capsule taken once daily in the morning. Contents can be dissolved in water for children who find swallowing capsules difficult How it's taken:Once daily in the morning Onset:1 to 2 hours; duration of effect approximately 13 hours Common side effects:Similar profile to methylphenidate — reduced appetite, sleep difficulties, headache, small heart-rate and blood-pressure increase. Stopping suddenly at higher doses can cause withdrawal effects, so tapering is usually advised Controlled drug:Yes — Schedule 2

Dexamfetamine

Stimulant · Alternative

UK brand name: Amfexa

Licensed from:Age 6 and over, where lisdexamfetamine is effective but the longer effect profile isn't tolerated well Forms:Immediate-release tablet or capsule How it's taken:Usually once or twice daily Common side effects:Similar to other stimulants Controlled drug:Yes — Schedule 2

Non-stimulants — used when stimulants aren't the right fit

Non-stimulants are generally considered when stimulants haven't worked, have caused intolerable side effects, aren't clinically appropriate (for example because of certain heart conditions, tics, or significant anxiety), or where the family and specialist have good reason to avoid a controlled drug. They take longer to work — often several weeks — and are taken every day, including weekends and holidays. No medication breaks.

Atomoxetine

Non-stimulant · Third-line

UK brand name: Strattera

Licensed from:Age 6 and over, typically when methylphenidate and lisdexamfetamine have both been tried without enough benefit or not tolerated Forms:Capsule (swallowed whole) or oral solution How it's taken:Every day, usually once daily. Must not be stopped suddenly Onset:Several weeks — often 4 to 6 weeks for full effect, sometimes longer How it works:Selective noradrenaline reuptake inhibitor — increases noradrenaline in the prefrontal cortex Common side effects:Nausea, tiredness, dizziness, reduced appetite, mood changes. Rarer but important: liver function changes, and a small increased risk of suicidal thoughts in a minority of children — specifically flagged in the product information and discussed by the specialist before starting Controlled drug:No

Guanfacine

Non-stimulant · Third-line

UK brand name: Intuniv

Licensed from:Age 6 to 17, when stimulants haven't worked or been tolerated. Not licensed for adults with ADHD in the UK Forms:Modified-release tablet (must not be chewed or taken with grapefruit juice) How it's taken:Every day, usually in the morning or evening Onset:Around 2 to 4 weeks for full effect How it works:Selective alpha-2A adrenergic receptor agonist — originally developed to lower blood pressure; in ADHD, helps regulate the prefrontal cortex Common side effects:Sleepiness or sedation (particularly at the start), headache, dizziness, low blood pressure, slower heart rate, stomach ache. Blood pressure and pulse are monitored more closely with guanfacine than with the others Controlled drug:No

Titration — finding the right dose

Starting ADHD medication isn't like taking a paracetamol. There's no "correct dose for a 9-year-old" to reach for. Instead, the specialist uses a process called titration: starting at a low dose, increasing slowly over several weeks, and watching carefully for both benefit and side effects at each step. The aim is to find the lowest dose that gives meaningful improvement without causing unacceptable side effects.

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Start low, go slow

The starting dose is deliberately conservative. For stimulants, dose changes are typically made around once a week; for non-stimulants, every 1 to 2 weeks. The specialist will ask you — and often your child's teacher — for feedback at each step.

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Expect this to take weeks, not days

A typical titration period is 4 to 6 weeks for stimulants, and up to 12 weeks for non-stimulants. Quick dose changes aren't safe — the body and brain need time to adjust, and side effects that seem alarming in week one often settle by week three.

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Keep a simple diary

Note what's changed and what hasn't: attention, emotional regulation, mood, sleep, appetite, physical complaints. Also record pulse and blood pressure if your specialist has asked for this. At each review you'll be asked specific questions, and it's easy to forget detail without written notes.

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Loop the school in

Most specialists will ask you to share a feedback form with your child's teacher. Their view of what school is like on medication matters — classroom behaviour is often where the clearest changes show up.

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Don't rush to abandon a medication

If the first dose or the first medication doesn't produce dramatic results, that's common. It's also common for a child not to respond well to the first medication and to do significantly better on a different one. Persistence through the titration phase matters.

What to expect from side effects

Side effects are the single biggest concern parents raise — and rightly so. The most common ones, across the stimulant class, are well documented and largely manageable:

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Reduced appetite

Very common. Often worst at the dose peak. Management: bigger breakfasts before the dose takes effect, calorie-dense evening meals when appetite returns, and keeping snacks calorie-rich rather than large in volume.

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Trouble sleeping

Stimulants can make falling asleep harder — though some children actually sleep better because their overactive thoughts settle. Management often involves the last dose timing and careful attention to the bedtime routine.

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Headache / stomach ache

Often settles within the first two weeks. Taking the dose with food (unless the preparation specifically says not to) can help. Persistent headache should be raised with the specialist.

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Heart rate & blood pressure

Typically small increases (stimulants) or decreases (guanfacine). NICE requires monitoring at every dose change and routinely thereafter. Normally not clinically significant, but not ignored.

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Rebound

As a stimulant dose wears off, some children become irritable, emotional, or hyper for a short period. If it's severe, it often means the dose, timing or formulation isn't quite right and needs adjusting.

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Growth

Some children on stimulants show a small slowing of growth (both height and weight). NICE requires height and weight to be plotted at each review. If growth is meaningfully affected, specialists may consider planned medication breaks during school holidays.

For atomoxetine specifically, the product information and NICE guidance both flag a small increased risk of suicidal thoughts in children and young people — this is part of the formal conversation before starting it, and a reason for the careful review process in the first weeks. For guanfacine, sleepiness is common at the start and usually improves.

Serious side effects — chest pain, fainting, a suddenly racing or irregular heartbeat, suicidal thoughts, new or worsening tics, or a genuine change in personality — are not common, but if they happen they need medical attention the same day. NHS 111 or your specialist's emergency number is the route, not waiting for the next review.

"Will it change who they are?"

This is, without exaggeration, the most common concern I see parents raise in Facebook groups, and it's the one that keeps people up at night. It deserves a proper answer rather than being tucked at the bottom of an FAQ.

The short version: properly titrated ADHD medication should not change your child's personality. If it is — if they seem flat, dulled, not themselves, or like their spark has gone — that is information, not an inevitability. It usually means something needs adjusting.

What "the right dose" actually looks like

Clinicians often describe the goal of titration as finding the dose where a child can access themselves more easily — not the dose that makes them most compliant. Those are very different things, and it's worth understanding the distinction before you start.

The right dose tends to look like: your child can finish a task they started, sit through a meal, hear an instruction without it derailing the next ten minutes, manage frustration without it tipping into a meltdown. Crucially, their humour is still there. Their opinions are still there. Their interests, their stubbornness, the things that make them them — all still there. What's quieter is the noise around the edges.

The wrong dose — or the wrong medication for that particular child — tends to look different. The child is quieter, yes, but in a way that feels off. They stop initiating conversation. They seem less interested in things they used to love. They describe feeling "weird" or "not right". Teachers report a child who is compliant but subdued. Parents describe it as "the lights are on but nobody's home", or simply say "I miss them".

If this is what you're seeing, raise it with the specialist — don't wait. A dose that flattens a child is not a successful outcome. It may mean the dose is too high, it may mean the medication isn't the right match for their brain chemistry, or it may mean something else is going on (sleep, anxiety, food intake, co-occurring conditions). All of those are fixable, but only if the specialist knows.

Why the fear runs so deep

A lot of what parents fear when they imagine "personality change" is being shaped by older imagery — of overmedicated children, of being "doped", of losing the child they know in exchange for one who's easier to manage. I understand this fear completely. It was genuinely the thing I was most afraid of.

Modern ADHD prescribing is — at its best — a long way from that image. The titration process is designed specifically to find the smallest amount of medication that does the needed job. Monitoring is structured so that side effects that matter to your child's sense of self (mood, engagement, spark) are specifically asked about, not brushed aside. And the conversation is meant to be collaborative: your child's view of whether they feel like themselves is part of the clinical picture, not a nice-to-have.

What many parents describe, once they hit the right dose, is something closer to relief than to loss. The constant battles reduce. Their child finishes homework and is proud of it. They sit through a birthday meal. They describe — sometimes for the first time — what it feels like to be able to just do a thing without the ten tabs in their head.

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Sarah's experience

"The thing I was most afraid of was losing Jude. Not physically — the version of him I knew. The one who climbs on the furniture and makes up elaborate stories and argues about everything. I was absolutely terrified that a pill would take that away. What I've watched, actually, is the opposite. The furniture-climbing is still there. The stories are still there. The arguing is very much still there. What's different is that he can hear me the first time. He finishes his cereal. He doesn't disintegrate at 4pm on a Tuesday. He is more himself, not less."

Things to watch for and flag quickly

If you're starting medication — or considering it — these are the specific things worth keeping an eye on, and worth raising with the specialist without waiting for the next scheduled review:

None of these mean medication is wrong for your child. They mean the current setup needs a conversation. Sometimes a small dose reduction is all it takes. Sometimes a switch to a different medication within the same class transforms things. Sometimes the issue turns out not to be the medication at all, but something else that became more visible once the ADHD noise quieted down. All of those are solvable.

Monitoring: what happens long term

Once your child is on a stable dose, monitoring doesn't stop. NICE and NHS shared-care protocols require, at a minimum:

A quick word on the ADHD medication supply situation. The UK has experienced ongoing supply shortages of several ADHD medications since 2023. The Department of Health and Social Care publishes updates via the NHS Specialist Pharmacy Service, and your specialist or pharmacist is the right person to ask about current availability. If a prescription can't be filled, don't panic — contact the prescriber, as switching between equivalent modified-release preparations needs specialist input to get right.

When ADHD comes with autism, anxiety, or other conditions

A significant number of children with ADHD also have autism, anxiety, tics, low mood, or other co-occurring conditions. This isn't a reason to avoid medication — it's a reason for the specialist to think carefully about which one. NICE notes specifically that:

For more on how sensory profiles change the picture, our guides on sensory overload and sleep in neurodivergent children may be useful context for conversations with the specialist.

Things to ask your specialist

If you take nothing else from this guide, take the idea that you're allowed to ask questions. Specialist appointments are often short, and parents come out realising there were six things they meant to raise. Here's a shortlist worth writing down before you go:

Why this one?

"Why is this medication being recommended for my child specifically, rather than one of the others?"

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What's the plan?

"What's the starting dose? How often will it be reviewed? What's the expected titration timeline?"

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What should I watch for?

"What specific side effects should I look out for? What would make you want to know straight away rather than at the next review?"

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Who do I contact?

"If I'm worried between appointments — who do I call? What's the out-of-hours route?"

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What if it doesn't work?

"If this one doesn't help, what happens next? How many options are there before we'd be looking at a second opinion?"

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How do we review?

"How will we measure whether this is working? Are there rating scales you'll use? Will the school be asked?"

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Sarah's experience

"The most useful thing I've ever done in a medical appointment is bring a written list. Not a clever list — literally the six things I wanted to ask. Appointments go fast. Children get fidgety. Important questions evaporate. A list in my hand is the only reason I've ever come out feeling like I actually got what I needed."

Where to get more information (from trustworthy places)

This guide is the beginning, not the end. The most reliable UK sources to read next are:

A final word

There's a lot of noise online about ADHD medication. Some of it is alarming, some of it is evangelical, and almost none of it is personal to your child. Your paediatrician, your specialist, and your GP are the people who can answer the questions that actually matter for the child sitting next to you — their history, their co-occurring conditions, their specific sensory profile, the family's circumstances.

Medication might help your child enormously. It might not be right for them. It might be right for a year and not for the one after that. All of those are normal outcomes of a process that's meant to be reviewed, adjusted and revisited over time. The goal isn't to get your child onto medication — it's to work out, with a professional, what gives your child the best chance of thriving. Sometimes that includes medication. Sometimes it doesn't.

Whatever you decide together with your child's clinical team, the fact that you're researching, asking questions, and reading things like this guide matters. It means the decisions being made for your child are informed ones.

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Related Guide
Sleep Problems in Neurodivergent Children
Sleep and ADHD medication often interact. What to expect, and what you can try first.
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Related Guide
Sensory Food Issues & Picky Eating
Stimulant medication often suppresses appetite. How to think about eating when both sensory and medication factors are at play.
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Related Guide
How to Build a Sensory Diet
Medication sits alongside — not instead of — the non-medical tools that help regulate a neurodivergent child's day.

Frequently asked questions

The questions parents raise most when thinking about medication — answered plainly, but not as medical advice.

Is medication the only treatment for ADHD in children?
No. NICE guidelines are clear that ADHD medication should only ever be part of a broader treatment plan that also includes psychological, behavioural and educational support. For children under 5, medication is not recommended as a first-line treatment at all — parent-training programmes are. For children aged 5 and over, NICE recommends medication only when ADHD symptoms are still causing significant impairment in at least one area of daily life despite environmental changes being in place. Medication doesn't cure ADHD; it helps manage symptoms while the rest of the support structure does its work.
Who can prescribe ADHD medication for a child in the UK?
ADHD medication must be initiated by a specialist — usually a paediatrician, child and adolescent psychiatrist, or specialist ADHD nurse prescriber. Your GP cannot start ADHD medication directly. Once your child is on a stable dose (usually after at least 12 weeks), prescribing can often be transferred to the GP under what's called a "shared care agreement", with the specialist continuing to review regularly.
What types of ADHD medication are used for children?
There are two broad categories. Stimulants (methylphenidate and lisdexamfetamine) are the first-line choices recommended by NICE. They work quickly and are the most extensively researched. Non-stimulants (atomoxetine and guanfacine) are used when stimulants don't work well, aren't tolerated, or aren't appropriate for a particular child. Non-stimulants take several weeks to reach full effect. All of these medications are licensed for children from age 6, with some flexibility for age 5.
What are the side effects of ADHD medication in children?
The most common side effects of stimulant medication are reduced appetite, difficulty sleeping, headaches, stomach aches, a small increase in heart rate and blood pressure, and irritability as the medication wears off (sometimes called "rebound"). Many of these settle within the first few weeks or can be managed by adjusting the dose, timing, or formulation. Non-stimulants can cause tiredness, dizziness and low mood. NICE requires regular monitoring of height, weight, blood pressure and heart rate for all children on ADHD medication, and a full specialist review at least once a year.
How well does ADHD medication actually work?
The evidence base is substantial. A major network meta-analysis published in The Lancet Psychiatry (Cortese et al., 2018), which pooled data from over 130 randomised controlled trials, found that stimulant medications have a large effect on reducing core ADHD symptoms in children and adolescents, with methylphenidate recommended as the first-line choice. Follow-up meta-analyses have also shown that ADHD medication improves overall quality of life, not just symptom scores. However, responses vary significantly between individual children — finding the right medication and dose often takes time, and medication alone is rarely enough. NICE guidelines emphasise that it should always sit alongside behavioural, educational and psychological support.
What is the NHS Right to Choose route for ADHD?
In England, patients have a legal right under NHS rules to choose which NHS-contracted provider they are referred to for most specialist assessments and treatments — including ADHD. This is known as NHS Right to Choose. Because NHS CAMHS waiting lists for ADHD assessment can be very long, many families ask their GP to refer their child to an approved Right to Choose provider instead. Treatment is still NHS-funded, and prescriptions are NHS prescriptions. Waiting times vary, and some local Integrated Care Boards have introduced restrictions, so it's worth checking the current situation before asking for a referral. ADHD UK keeps an up-to-date list of providers and wait times.
Can my child take medication breaks in school holidays?
Medication breaks — sometimes called "drug holidays" — are sometimes considered for stimulant medication (methylphenidate, lisdexamfetamine) over school holidays, particularly if there are concerns about growth or appetite. NICE does support planned treatment breaks being considered in these circumstances. Breaks are not appropriate for non-stimulant medications like atomoxetine or guanfacine, which need to be taken every day. Any decision to pause medication should always be made with your child's specialist — not independently.
Does ADHD medication change my child's personality?
Properly titrated ADHD medication should not change your child's personality. If your child seems flat, numb, "not themselves", stops initiating things they'd normally do, or loses their sense of humour, that is a sign something needs adjusting — most commonly the dose is too high, or the medication isn't the right match for that particular child. It should be raised with the specialist promptly rather than accepted as "just how it is now". The goal of a well-titrated dose is the opposite: a child who can access themselves more easily — finish a task, sit through a meal, manage frustration — while their humour, opinions, interests and spark all remain intact. See the "Will it change who they are?" section above for a fuller walk-through of what to watch for.