ADHDnotepad
Medication guide

Xaggitin XL (methylphenidate)

Methylphenidate hydrochloride (prolonged-release)

Xaggitin XL is a once-daily methylphenidate tablet for ADHD. It is listed by the NHS as a match for Concerta XL. This guide explains its duration, doses, side effects and changing brands safely.

StimulantOnce daily12-hour coverageSchedule 2 CD

Written and clinically reviewed by ADHD Advanced Practitioner and Clinical Prescribing Pharmacist

Reading time: about 6 minutesLast reviewed: Next review: Download the one-page summary (PDF)

Xaggitin XL: key facts

What it is
Xaggitin XL is a once-daily modified-release tablet containing methylphenidate: a stimulant that keeps dopamine and noradrenaline available longer in the brain areas that regulate focus, motivation, and impulse control.
How it's released
Prolonged-release tablet: approximately 25% of the dose releases in the first 1–2 hours; the remaining 75% is released gradually over the following hours.
Duration
Up to 12 hours from a single morning dose.
How to take it
Swallow whole with water. With or without food. Do not crush, break, chew, or cut the tablet.
Available strengths
18 mg, 27 mg, 36 mg, 54 mg tablets.
Bioequivalence
Bioequivalent to Concerta XL (the reference product) and on the NHS list of equivalent tablets. Same clinical effect and duration.
Section 1

What is Xaggitin XL?

Xaggitin XL (Martindale) is a 12-hour methylphenidate tablet that is bioequivalent to Concerta XL and on the same NHS list of equivalent tablets. It must be prescribed and dispensed by brand name.

Xaggitin XL at a glance

Xaggitin XL: key facts at a glance, each with its source
FactDetail
Active ingredientMethylphenidate hydrochlorideSource: Xaggitin XL SmPC (eMC)
FormulationProlonged-release tablet (Martindale)Source: Xaggitin XL SmPC (eMC)
Release pattern25% in the first 1–2 hours; 75% released gradually. Bioequivalent to Concerta XLSource: NHS list of equivalent brands
Strengths18, 27, 36 and 54 mg tabletsSource: Xaggitin XL SmPC (eMC)
Usual starting dose18 mg once each morning, increased in 18 mg steps no faster than weeklySource: Xaggitin XL SmPC (eMC)
Maximum licensed dose54 mg a day (children); up to 72 mg a day (adults)Source: Xaggitin XL SmPC (eMC)
How long it lastsUp to 12 hoursSource: Xaggitin XL SmPC (eMC)
FoodWith or without foodSource: Xaggitin XL SmPC (eMC)
How to take itSwallow whole. Do not crush, break, chew or cutSource: Xaggitin XL SmPC (eMC)
Bioequivalent brandsAffenid XL, Atenza XL, Concerta XL, Delmosart, Matoride XL, Xenidate XL (Matoride XL: children and young people only)Source: NHS list of equivalent brands
Controlled drugSchedule 2Source: BNF: methylphenidate hydrochloride

Medication class

Xaggitin XL is a 12-hour prolonged-release methylphenidate tablet that is bioequivalent to Concerta XL (the reference product) and on the NHS list of equivalent tablets. It releases 25% of each dose straight away and the other 75% gradually, so slightly more of the dose acts early than with Concerta XL (22%). The two are still bioequivalent: if supplies run short, your prescriber can switch you between them at the same dose. Methylphenidate modified-release products must be prescribed and dispensed by brand name (MHRA guidance). Even within the bioequivalence group, do not switch brands without clinical guidance.

When it's prescribed

Prescribed for ADHD in children aged 6 and over and adults, per NICE NG87. Must be prescribed and dispensed by brand name (MHRA guidance).

Pros of Xaggitin XL

  • 12-hour duration: full working-day coverage from a single morning dose
  • No known interaction with acid-reducing medicines such as omeprazole or lansoprazole, or with antacids
  • No food requirement
  • Part of the largest UK bioequivalence group: supply disruption management options available within the group

Cons of Xaggitin XL

  • Tablet must be swallowed whole: no crushing, cutting, or opening
  • The effect builds gradually through the morning rather than peaking early
  • Contains lactose: tell your prescriber if you cannot tolerate lactose
Section 2

How does Xaggitin XL work?

25% of the dose releases in the first 1–2 hours, and the remaining 75% releases gradually over the following hours. The effect builds through the morning to a sustained level in the afternoon.

Methylphenidate blocks the brain's recycling transporters for dopamine and noradrenaline: keeping them active longer in the synapse. This helps with attention, motivation, and impulse control in ADHD.

Xaggitin XL is a prolonged-release tablet. Its coating releases 25% of each dose straight away, giving the first effect within 1–2 hours. The tablet core then releases the other 75% gradually, giving up to 12 hours of coverage from a single morning dose.

The release profile produces an ascending plasma curve through the day: a moderate initial effect in the morning, building to a sustained level through the afternoon. The tablet must remain intact for this mechanism to work correctly. Crushing or breaking it releases the full dose at once.

You can take Xaggitin XL with acid-reducing medicines such as omeprazole or lansoprazole, and with antacids. None of them is known to affect it.

How Xaggitin XL works: visual guide

Follow the methylphenidate in Xaggitin XL from tablet to effect. Use ADHDnotepad's animated visual medication journey to see how methylphenidate blocks the dopamine and noradrenaline transporters (DAT and NET), keeping both signals available for longer, while Xaggitin XL's prolonged-release tablet spreads this effect through the day.

ClinicalDeeper clinical detail

Section 3

How do I take Xaggitin XL?

Take your prescribed dose once each morning, before 9am, with or without food. Swallow each tablet whole: do not crush, break, chew or cut it.

Interactive Xaggitin XL duration & effect chart

See how Xaggitin XL may work across the day. Use ADHDnotepad's interactive Xaggitin XL effect chart to move the dose time and adjust strength and explore how its 25:75 release ratio, slightly front-loaded compared with Concerta XL, may shape when effects kick in and wear off. The chart is illustrative, as actual onset and duration vary between people.

When to take it

Once in the morning. Up to 12 hours' duration: take before 9am to avoid it being active at bedtime.

With or without food

Either is fine.

Swallow whole

Take with a full glass of water. Do not crush, break, chew, or cut the tablet. The prolonged-release mechanism only works as an intact tablet.

Missed dose

If still morning, take as soon as you remember. If mid-afternoon, skip it. Never double up.

Alcohol

Avoid entirely. Risk of dose-dumping and ethylphenidate formation.

ClinicalPrescribing and clinical detail

Section 4

What should I expect from Xaggitin XL week by week?

Appetite dips and mild headaches are common in week 1 and mostly settle by week 2. Your prescriber increases the dose gradually, and most people are settled on their dose within 4–8 weeks.

Days 1–7

Adjustment

Appetite dips (especially afternoons); mild headache (drinking enough water may help); possibly feeling more alert. Most settle by week 2.

Weeks 2–4

Settling in

Most early side effects reduce. Coverage builds gradually: some people notice the effect strengthens through the morning. This is how prolonged-release tablets are designed to work.

Weeks 4–8

Optimising

Titration in 18 mg increments. The goal is the lowest dose that manages symptoms well for long enough, with the fewest side effects.

3 Months+

Maintenance

Reviews every 6 months. BP, HR, and weight checked at each visit.

Section 5

What are the side effects of Xaggitin XL?

Reduced appetite, difficulty sleeping if taken late, mild headache and a faster heartbeat are the most common early effects. Most ease in the first few weeks.

All expanded by default: tap a category to collapse it. Most of these ease in the first 1–2 weeks.

Reduced appetite; weight loss (long-term)

Common (reported more often in adults)

Weight is monitored at every review.

What helps

  • Eat breakfast before or with your dose, before your appetite drops.
  • Appetite usually returns in the evening: plan your main meal for then.
  • If you can, prepare it earlier in the day, while the medicine is working.
  • Balanced ready-to-heat meals (freshly made, not processed microwave meals) save the planning that stops many people eating.

Difficulty sleeping if taken late

Very common

What helps

  • Tell your prescriberStill disrupted at 4 weeks: discuss with your prescriber.

Increased heart rate and blood pressure; palpitations

Common

Modest increases are expected and monitored at every review.

Brief awareness of your heartbeat is usually normal in the first few weeks.

What helps

  • Cut down on caffeine and avoid cold and flu remedies that contain a decongestant.
  • Keep salt and alcohol down, and keep up regular moderate exercise.
  • Tell your prescriberTell your prescriber within a few days if your resting pulse stays above 100. The same if your blood pressure stays at 140/90 or higher (135/85 at home).
  • Get help todayA reading of 180/120 or higher after 5 minutes' rest, or a resting pulse above 120: contact your prescriber or 111 today.
  • Tell your prescriberContact your prescriber if it's sustained or comes with dizziness.

Anxiety, irritability, low mood

Common

What helps

  • Note when it happens: as the dose is kicking in, while it is working, or as it wears off.
  • Tell your prescriberTell your prescriber if persistent.

Suicidal thoughts

Uncommon
  • Get help todayContact prescriber or crisis support immediately.
  • Call 999If you feel you might act on these thoughts, or you have harmed yourself, call 999 or go to A&E.

Psychosis symptoms; mania

Uncommon/Rare
  • Get help todayStop and seek urgent review.

Headache

Very common

Usually settles by week 2.

What helps

  • Drink more water.

Dizziness, tremor

Common (dizziness); uncommon (tremor)

What helps

  • Don't drive while dizzy.

Tics

Common (worsening of existing tics is uncommon)
  • Tell your prescriberContact your prescriber.

Nausea, dry mouth, sweating, hair thinning, teeth grinding

Common

Nausea is most common in the first weeks.

What helps

  • Taking your dose with or after food may help.
  • Drinking enough water and eating regular, smaller meals may help.
  • For a dry mouth, sip water and use sugar-free gum or mints.
  • Tell your prescriberMention it at your review if it bothers you or is severe.
  • Tell your prescriberMention the others at your next review if troublesome.

Priapism (painful erection more than 2 hours)

Frequency not known: medical emergency
  • Call 999Attend A&E immediately.

This is the full list for this guide, including uncommon and rare effects. For step-by-step tips on managing the common ones, and when to speak to your prescriber, see Xaggitin XL side effects: what helps.

Section 6

When should I get help while taking Xaggitin XL?

Call 999 for severe or spreading chest pain, severe breathlessness, signs of a stroke, a seizure or a suspected overdose. Call 999 too for a severe allergic reaction: sudden swelling of the lips, mouth or throat, or difficulty breathing. Contact your prescriber or 111 today for mild chest pain, a resting heart rate above 120, fainting, hallucinations or thoughts of self-harm (call 999 if you might act on them). Most other early effects can wait for your next review.

Emergency: call 999 or go to A&E

  • Severe chest pain, or chest pain spreading to your arm, jaw or back
  • Severe shortness of breath or struggling to breathe
  • Suspected stroke (FAST)
  • Seizures; loss of consciousness; suspected overdose
  • Priapism (a painful erection lasting more than 2 hours): go to A&E straight away
  • Thoughts of harming yourself or someone else that you feel you might act on, or you have harmed yourself
  • Severe allergic reaction (anaphylaxis): sudden swelling of the lips, mouth, throat or tongue, or difficulty breathing or swallowing. Call 999.
No action

Expected: mention at next review

Common in the first few weeks: no action usually needed

  • Mild appetite reduction
  • Mild headache weeks 1–2
  • Dry mouth
  • Mild sleep difficulty
  • Mild irritability improving
Contact prescriber

Contact your prescriber within a few days

Not urgent: but worth discussing if ongoing

  • Resting HR >100 bpm
  • BP persistently raised
  • Headaches beyond 2 weeks
  • Mood not settling at 4 weeks
  • Sleep severely disrupted beyond 4 weeks
  • Significant weight loss
  • Tics
  • Blurred vision; Raynaud's
Urgent

Contact prescriber or 111 today

Do not wait for a routine appointment

  • Mild chest pain or chest tightness
  • Resting HR >120 bpm
  • Fainting
  • Suicidal thoughts
  • Hallucinations/psychosis
  • New mania
  • A new rash, without swelling or breathing problems
  • Signs of very high blood pressure (severe headache, vision changes, confusion)

What you can safely try while waiting for a review

  • Headache: drink more water; avoid caffeine after midday
  • Appetite: eat breakfast before your dose; keep nutritious snacks for the evening
  • Sleep: take your dose 30 minutes earlier; avoid screens after 10pm
  • Anxiety: track whether worse on dose days vs off days: helps your prescriber
  • Dry mouth: sugar-free gum; frequent small sips of water
Section 7

Frequently asked questions about Xaggitin XL

How is Xaggitin XL different from Concerta XL?

Both are 12-hour prolonged-release tablets. Xaggitin XL has a slightly higher immediate-release fraction (25% vs. 22% for Concerta XL), but the two are bioequivalent and on the same NHS list of equivalent tablets. The clinical effect and duration are equivalent. The manufacturers differ. Your prescriber or pharmacist may have chosen Xaggitin XL for availability or formulary reasons.

My pharmacy gave me a different brand. Is that okay?

Not without speaking to your prescriber first. Even though Xaggitin XL is part of the tablet bioequivalence group, do not simply accept a different brand: confirm with your prescriber first.

Does it interact with omeprazole or antacids?

No: Xaggitin XL is not known to interact with acid-reducing medicines such as omeprazole, or with antacids.

Can I drink alcohol?

Avoid entirely: risk of dose-dumping and ethylphenidate formation.

I'm pregnant or breastfeeding: what do I need to know?

Pregnancy: Speak to your prescriber before making any changes, and do not stop without advice. The current evidence is summarised in the BUMPS leaflet on methylphenidate in pregnancy.

Breastfeeding: Methylphenidate is the stimulant of choice during breastfeeding (Breastfeeding Network). Milk levels are very low. You do not need to stop breastfeeding. Monitor your baby.

Section 8

What should I ask my prescriber about Xaggitin XL?

Questions worth raising at your next review. You don't need to cover all of them: pick the ones that feel most relevant.

  • Why Xaggitin XL: rather than Concerta XL or another brand?
  • What dose are we starting at, and what is the maximum?
  • What if my pharmacy can't get Xaggitin XL?
  • Which side effects should I call you about?
  • If Xaggitin XL doesn't work well enough, what would we try next?
Section 9

Xaggitin XL: notes for GPs and clinicians

For GPs and clinicians

Clinical notes by , ADHD Advanced Practitioner and Clinical Prescribing Pharmacist.

ClinicalBrand and mechanism

Xaggitin XL (Martindale Pharma): prolonged-release tablet; 25:75 IR:MR; ascending 12h profile. SmPC lists no interaction with PPIs, H2-blockers or antacids. No food requirement. Bioequivalent to Concerta XL per SPS August 2025.

ClinicalStrengths, Dosing and Immediate Release Conversion

18, 27, 36 and 54 mg. Start 18 mg once daily in patients new to methylphenidate; adjust in 18 mg steps at approximately weekly intervals (27 mg allows an in-between step). Maximum 54 mg/day in children and 72 mg/day in adults (SmPC).

Switching from immediate-release methylphenidate

Immediate-release doseTotal daily doseXaggitin XL once each morning
5 mg three times a day15 mg18 mg
10 mg three times a day30 mg36 mg
15 mg three times a day45 mg54 mg
20 mg three times a day60 mg72 mg (adults only)

Doses from the SmPC (Table 1), for patients taking IR three times a day at 15 to 60 mg a day.

ClinicalBioequivalence group (SPS August 2025)

Affenid XL, Atenza XL, Concerta XL, Delmosart, Matoride XL, Xaggitin XL, Xenidate XL: interchangeable within group at same dose/quantity during supply disruption. Matoride XL SmPC: licensed for children aged 6 and over; adult initiation is not appropriate (continuation from adolescence only). See the SPS list of equivalent MR tablets.

ClinicalAdult licensing and monitoring

Licensed for children aged 6 and over and adults (SmPC 4.1); up to 72 mg/day in adults. Under specialist direction per NICE NG87. BP and HR at baseline, dose changes, minimum every 6 months. Weight each review.

ClinicalKey interactions

MAOIs (contraindicated); alcohol (ethylphenidate formation, dose-dumping); antihypertensives (reduced efficacy); coumarin anticoagulants (monitor INR).

This guide is written for educational purposes and does not constitute medical advice. Always follow the guidance of your prescriber or pharmacist. If you have concerns about your medication, contact your clinical team.

Sources

About this guide

Written and clinically reviewed by
ADHD Advanced Practitioner and Clinical Prescribing Pharmacist
First published
Last updated
Last reviewed
Next review
What changed
October 2026: noted that Matoride XL, one of the bioequivalent tablets, is licensed for children and young people only. Also clearer advice on when to call 999 (severe or spreading chest pain, severe breathlessness, or thoughts of self-harm you might act on) and when to get help the same day. Side effect frequencies now use the categories in the product information (SmPC). The headache advice now says drinking enough water may help, instead of naming dehydration as the cause. The Cons no longer compare the first peak with capsule brands.

“Last updated” is when the content last changed. “Last reviewed” is when it was last checked against current sources.

How this content is written, sourced and checked: editorial policy

Spotted an error? Report it by email. This is for website feedback only. It can’t give advice about your own treatment.

Changing from Xaggitin XL? Check the dose conversion

See how your dose lines up with immediate-release methylphenidate or another brand, and how the day’s doses would be spaced. It is a guide for the conversation with your prescriber, not a prescription.

Listed conversion

15 mg a day of immediate-release methylphenidate, for example 5 mg three times a day

Xaggitin XL 18 mg is listed against a total of 15 mg a day of immediate-release methylphenidate, taken three times a day, in the manufacturer’s conversion table. Each immediate-release dose lasts about 3 to 5 hours, so the day’s cover changes.

6am9amnoon3pm6pm9pmmidnightNow8amAfter8am12pm4pm
Dots are dose times and bars show roughly how long each dose covers: immediate-release about 4 hours, capsules about 8, tablets about 12. The times are examples. Follow the times your prescriber gives you.
  • Immediate-release doses are spaced through the day; the last one is usually taken by mid-afternoon to protect sleep.
  • This is a guide for the conversation with your prescriber, not a prescription. Your prescriber sets the dose, the start date and the review.

Doses from each product’s manufacturer conversion table and the NHS list of equivalent brands. Read more about switching methylphenidate brands safely.