Levetiracetam (Keppra®)

Levetiracetam (Keppra): Effect, Dosage & Psychological Side Effects

Levetiracetam is a modern anti-epileptic drug with easy titration and few interactions. It protects against seizures in epilepsy – but can affect mood and must never be stopped abruptly.

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Contents

  1. At a glance: fact sheet
  2. How Levetiracetam works
  3. Use & dosage
  4. Levetiracetam vs. Lamotrigine
  5. Side effects & mental health
  6. Interactions
  7. Stopping & in an emergency
  8. How brite supports you
  9. FAQ
  10. Sources
Note Never stop or pause Levetiracetam on your own. Abrupt discontinuation can trigger severe seizures, even status epilepticus – always agree any changes with your practice.

1. At a glance: fact sheet

Levetiracetam (brand name Keppra®) is a modern anti-epileptic drug used to prevent epileptic seizures. It is easy to titrate up, works quickly and needs no routine blood-level monitoring – which is why it is now one of the most frequently prescribed seizure medications.

PropertyDetails
Active ingredientLevetiracetam
Brand nameKeppra®
ATC codeN03AX14
Drug classAnti-epileptic drug (SV2A modulator)
FormulationTablets 250, 500, 1000 mg; oral solution; infusion
IntakeTwice daily, independent of meals
Standard dose1000–3000 mg/day, split into two doses
Blood monitoringNo routine blood level needed
Prescription requiredYes
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2. How Levetiracetam works

During an epileptic seizure, nerve cells in the brain discharge suddenly, excessively and in sync. Levetiracetam binds to a particular protein in the nerve endings, the synaptic vesicle protein 2A (SV2A), which is involved in the release of messenger substances. This dampens the excessive signal transmission and makes the brain less prone to the abnormal discharges.

Levetiracetam is used to prevent seizures in epilepsy – both for focal seizures and for certain generalised seizure types. The active ingredient is barely metabolised in the liver and is excreted via the kidneys. That explains why it has so few interactions and combines well with other medications.

3. Use & dosage

Treatment usually starts with a low dose that is increased slowly over a few weeks. A typical start is 2× 250–500 mg per day, raised step by step until the seizures are controlled – always at about the same time and independent of meals.

SituationDose
Starting dose2× 250–500 mg/day
Maintenance dose (adults)2× 500–1500 mg/day
Maximum dose3000 mg/day
Impaired kidney functionDose reduced according to kidney values
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Titrate up and down slowly Levetiracetam is titrated up gradually at the start so the body can get used to the active ingredient – this reduces side effects such as fatigue. Just as important: when stopping, the dose must be reduced slowly over weeks. Stopping abruptly can trigger severe seizures. This decision is always made by the doctor.

A missed dose is taken as soon as you notice – but if the next dose is already close, the missed one is skipped. Never take a double amount at once. What generally applies to a missed dose is explained in the guide Forgotten to take your medication.

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  • Reminder for morning and evening dose
  • Complete documentation
  • Keep an eye on mood and side effects
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4. Levetiracetam vs. Lamotrigine

Levetiracetam and Lamotrigine are among the most commonly used modern anti-epileptic drugs. In everyday life, what matters most to patients is the difference in titration and side-effect profile: Levetiracetam works quickly and can be titrated up rapidly, whereas Lamotrigine has to be increased very slowly.

PropertyLevetiracetamLamotrigine
TitrationCan be done quicklyMust be very slow
IntakeTwice daily1–2× daily
Blood-level monitoringNot routineUsually not needed
Typical side effectIrritability, low moodSkin rash (especially early on)
InteractionsVery fewWith hormones, valproate
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Which anti-epileptic drug is the right one depends on the seizure type, age, a possible pregnancy and any co-existing conditions. None is universally "the best" – the choice is made individually by the doctor.

5. Side effects & mental health

Levetiracetam is usually well tolerated physically. The most important and most common side effects are fatigue and – often underestimated – psychological changes. Irritability, mood swings and low mood in particular are the most frequent reason patients want to stop the medication. Package leaflets often mention this only in passing – talking about it openly helps.

Side effectFrequencyWhat to do?
Fatigue, drowsiness, dizzinessVery commonUsually early on; often improves after weeks
Irritability, aggressiveness, inner restlessnessCommonDocument and raise with your doctor
Low mood, mood swingsCommonTake seriously; don't endure it, report it
Depression, thoughts of self-harmUncommonSee a doctor promptly – don't wait
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Warning signs for mental health – get medical advice promptly Marked mood changes, persistent low mood or depression, strong irritability or aggressiveness that burdens you or those around you – and above all thoughts of harming yourself – belong in medical hands promptly. In an acute crisis, call the emergency number 112 or the crisis helpline Telefonseelsorge (0800 111 0 111) immediately. But do not stop the medication on your own because of this.

6. Interactions

A major advantage of Levetiracetam: it has very few interactions, because it is barely broken down by the liver. It hardly affects other medications and is itself hardly affected. Even so, it's worth looking at a few combinations – check them in the interaction check.

Levetiracetam + alcohol & sedating substances Alcohol intensifies the sedating effect, increases fatigue and dizziness and can lower the seizure threshold. Together with other sedating medications (such as strong painkillers or sleeping pills) fatigue can also increase markedly. Larger amounts of alcohol should therefore be avoided.
Substance / medicationInteractionRecommendation
AlcoholIncreased fatigue, lower seizure thresholdAvoid or strongly limit
Other sedating substances (sleeping pills, sedatives)Additive fatigue and drowsinessCaution; coordinate with your doctor
Other anti-epileptic drugsUsually combine wellCombination belongs in medical hands
MethotrexateExcretion may be delayedHave levels monitored
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7. Stopping & in an emergency

Levetiracetam must never be stopped abruptly. Suddenly leaving it out can trigger clustered or severe seizures, up to the life-threatening status epilepticus. If the medication is to be discontinued or switched, the dose is reduced slowly over weeks – always according to a medical plan.

Tell every treating practice that you take Levetiracetam, especially before operations. For a prolonged seizure (longer than 5 minutes) or a series of seizures: call 112. A digital medication plan helps ensure that those treating you know about your medication straight away in an emergency.

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Transparency note brite is a health app. The following functions refer to features of the app.

8. How brite supports you with Levetiracetam

  • Intake reminder: separate reminders for the morning and evening dose – especially important with the twice-daily intake. → Set up a reminder
  • Mood & health history: document irritability, mood and seizures and spot changes early. → View history
  • Interaction check: checks combinations with other medications. → Check now
  • Digital medication plan: all your medicines clearly laid out for practice, clinic and emergency. → Go to the medication plan

FAQ: Common questions about Levetiracetam

Twice daily at intervals of about twelve hours, for example in the morning and evening, independent of meals. Choose fixed times that fit well into your daily routine. An even interval keeps the drug level stable and protects against seizures.
Yes, that can happen. Irritability, mood swings, aggressiveness and low mood are among the best-known side effects and are the most frequent reason for stopping. Take such changes seriously and raise them with your doctor – often a dose adjustment or a switch of medication helps.
Take the dose as soon as you notice. But if the next dose is already close, skip the missed one and carry on as normal. Never take a double amount at once. If you forget doses more often, a fixed reminder helps so you don't put your seizure protection at risk.
No, a routine blood level as with some older anti-epileptic drugs is not needed. That is one of the advantages of this active ingredient. Kidney function may be monitored, as it helps determine the dose. How often is set by the practice depending on the situation.
Never on your own. Abrupt discontinuation can trigger severe seizures, up to status epilepticus. Whether and how the medication can be discontinued is decided by the doctor – and then the dose is reduced slowly over weeks, not stopped all at once.
Both are modern anti-epileptic drugs. Levetiracetam can be titrated up quickly and works fast, but can affect mood. Lamotrigine has to be increased very slowly and is often more neutral psychologically, but can cause skin rashes early on. Which one fits is decided individually by the practice.
Better only very sparingly. Alcohol intensifies fatigue, can lower the seizure threshold and impair the effect of the medication. You should avoid larger amounts. Whether and how much is acceptable for you is best discussed with your treating practice.

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Sources

  1. Prescribing information Levetiracetam (Keppra®), current version.
  2. DGN guideline: First epileptic seizure and epilepsies in adulthood. German Society of Neurology. dgn.org
  3. Gelbe Liste: Levetiracetam. gelbe-liste.de
  4. gesundheitsinformation.de (IQWiG): Epilepsy and anti-epileptic drugs. gesundheitsinformation.de
Medical disclaimer: This page is for information and does not replace medical advice. Never stop or pause Levetiracetam on your own. In case of marked mood changes, depression or thoughts of harming yourself, seek medical help promptly – in an acute crisis call the emergency number 112 or the crisis helpline Telefonseelsorge (0800 111 0 111). As of: July 2026.