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What Is Keppra (Levetiracetam)?

Keppra (generic name: levetiracetam) is a modern anticonvulsant widely used to help prevent seizures in people with epilepsy. It belongs to a class of anti-epileptic drugs with a unique mechanism of action that binds to synaptic vesicle protein 2A (SV2A), a target involved in neurotransmitter release. By modulating this pathway, levetiracetam helps stabilize electrical activity in the brain and lowers the likelihood of seizure spread. Keppra is available in immediate-release tablets, oral solution, and extended-release tablets (often referred to as Keppra XR or levetiracetam ER). It is commonly prescribed as add-on therapy and is also approved as monotherapy in certain settings.

Clinicians value levetiracetam for its broad seizure coverage, generally rapid titration, and a low potential for drug–drug interactions compared with older anticonvulsants. It is frequently considered when a patient experiences partial onset seizures, primary generalized tonic-clonic seizures, or juvenile myoclonic epilepsy. Because dosing and tolerability can vary by age, weight, kidney function, and seizure type, it is essential to follow a personalized plan from a healthcare professional.

Indications: Seizure Types Treated by Keppra

Levetiracetam is indicated for a spectrum of seizure types across age groups. Indications below reflect commonly used clinical guidance and labeling.

  • Partial onset seizures:
    • Adults and children 1 month of age and older may be treated with levetiracetam for partial onset seizures.
  • Primary generalized tonic-clonic seizures:
    • Adults and children 6 years and older may use levetiracetam to reduce frequency and severity of primary generalized tonic-clonic events.
  • Myoclonic seizures associated with Juvenile Myoclonic Epilepsy (JME):
    • Adults and adolescents 12 years and older are candidates for therapy to help control myoclonic jerks.

Your neurologist may select Keppra as monotherapy or adjunctive therapy depending on your history, EEG findings, and overall health profile. Many individuals take levetiracetam alongside other anti-epileptics as part of a personalized regimen.

How to Take Keppra: Instructions for Safe Use

Always take Keppra exactly as prescribed. Adherence matters: steady dosing maintains protective levels in the bloodstream and reduces breakthrough seizures.

  • Timing: Immediate-release levetiracetam is typically taken twice daily, approximately 12 hours apart. Extended-release forms are usually taken once daily. Take doses at the same time every day.
  • With or without food: Keppra can be taken with or without meals. If it upsets your stomach, taking it with food may help.
  • Swallowing tablets: Do not crush or chew extended-release or delayed-release tablets. Swallow them whole. Breaking long-acting tablets can release the dose too quickly.
  • Liquid dosing: If using the oral solution, always measure with a calibrated device (medicine syringe or cup), not a household spoon, to avoid under- or overdosing.
  • Consistency: Use Keppra every day as directed. Don’t change your dose or stop suddenly unless your prescriber guides you through a taper. Abrupt discontinuation can increase seizure risk.
  • Medical identification: Consider carrying an ID card or wearing a medical alert bracelet indicating you take levetiracetam for seizures.
  • Monitoring: Your clinician may periodically check kidney function, especially if you have chronic kidney disease, are older, or are taking other medications that affect renal clearance.

Dosage and Titration: Adults and Adolescents

Dosing depends on the seizure type, formulation, and individual tolerability. The ranges below reflect commonly used regimens for immediate-release levetiracetam; extended-release dosing is noted separately.

  • Partial onset seizures (age 16 years and older):
    • Typical start: 500 mg twice daily (1,000 mg/day).
    • Titration: Increase by 1,000 mg/day increments every 2 weeks as needed and tolerated.
    • Usual range: 1,000–3,000 mg/day in divided doses. Doses above 3,000 mg/day have limited evidence of added benefit.
  • Primary generalized tonic-clonic seizures (age 16 years and older):
    • Typical start: 500 mg twice daily (1,000 mg/day).
    • Titration: Increase by 1,000 mg/day every 2 weeks up to 3,000 mg/day.
  • Myoclonic seizures in Juvenile Myoclonic Epilepsy (age 12 years and older):
    • Typical start: 500 mg twice daily (1,000 mg/day).
    • Titration: Increase by 1,000 mg/day every 2 weeks to a target of 3,000 mg/day when needed.
  • Extended-release (ER/XR) levetiracetam:
    • Once-daily dosing. A common regimen begins at 1,000 mg once daily, with increases of 1,000 mg every 2 weeks to a usual maximum of 3,000 mg once daily.
    • Do not crush or split ER tablets. If you have trouble swallowing, discuss alternatives with your clinician.

Dose adjustments are individualized. Some patients achieve control at lower doses, while others need careful titration to higher amounts to reach optimal seizure reduction with acceptable tolerability. Your provider may adjust more slowly or quickly depending on your response.

Dosing in Pediatric Patients

For children, dosing is weight-based and most often uses the oral solution, particularly in younger or smaller patients. Only whole tablets should be used if tablets are prescribed.

  • 1 month to less than 6 months:
    • Start: 7 mg/kg twice daily (14 mg/kg/day).
    • Titration: Increase by 7 mg/kg twice daily every 2 weeks as needed.
    • Typical target: 21 mg/kg twice daily (42 mg/kg/day). Lower doses may be used based on tolerance and response.
  • 6 months to less than 4 years:
    • Start: 10 mg/kg twice daily (20 mg/kg/day).
    • Titration: Increase by 10 mg/kg twice daily every 2 weeks.
    • Typical target: 25 mg/kg twice daily (50 mg/kg/day). Doses may be adjusted if not tolerated.
  • 4 years to less than 16 years:
    • Start: 10 mg/kg twice daily (20 mg/kg/day).
    • Titration: Increase by 10 mg/kg twice daily every 2 weeks.
    • Typical target: 30 mg/kg twice daily (60 mg/kg/day), with a usual maximum of 3,000 mg/day.
  • Tablet thresholds:
    • Children weighing 20–40 kg: Often begin at 250 mg twice daily, with 500 mg/day increases every 2 weeks up to 1,500 mg/day (750 mg twice daily).
    • Children over 40 kg: Often begin at 500 mg twice daily, with 1,000 mg/day increases every 2 weeks up to 3,000 mg/day (1,500 mg twice daily).

Because growth alters weight and metabolism, pediatric doses are reviewed regularly and adjusted as needed. Keep close follow-up with your child’s neurologist to ensure safety and effectiveness.

Renal Impairment and Dose Adjustments

Levetiracetam is primarily cleared by the kidneys. Adults with reduced renal function generally need lower total daily doses. Your clinician will estimate your creatinine clearance or eGFR and adjust the dose accordingly. Older adults often require dose adjustments because kidney function declines with age. In end-stage renal disease on dialysis, supplemental dosing after dialysis may be recommended. Never change dosing without professional guidance and scheduled lab checks.

Missed Doses and Overdose

  • Missed dose: If you forget a dose, take it as soon as you remember unless it’s close to the time of your next dose. If it’s almost time for the next dose, skip the missed dose and resume the regular schedule. Do not double up.
  • Overdose: Very large doses may lead to excessive sleepiness, agitation, respiratory depression, or other serious symptoms. Seek emergency medical attention or call your local poison control center immediately if an overdose is suspected.

Switching, Add-On Therapy, and Discontinuation

Keppra can be initiated as add-on therapy or transitioned to from another anticonvulsant when clinically appropriate. If switching, clinicians often overlap medications and taper gradually to minimize seizure risk and avoid withdrawal effects. Do not stop Keppra abruptly. If discontinuation is needed, your prescriber will guide a slow dose reduction over weeks to months while monitoring for breakthrough seizures and mood changes.

Storage and Handling

  • Store at room temperature, away from excess moisture, heat, and direct light.
  • Keep the bottle tightly closed and out of reach of children and pets.
  • Do not use past the expiration date. Dispose of unused medication according to local guidelines or pharmacy take-back programs.

Warnings and Precautions

Before starting levetiracetam, review your full medical history and medication list with your clinician. Important precautions include:

  • Allergic reactions: Do not use if you have a known allergy to levetiracetam. Seek emergency care if you develop hives, difficulty breathing, or swelling of the face, lips, tongue, or throat.
  • Neuropsychiatric effects: Some patients experience mood and behavior changes (irritability, aggression, agitation, anxiety, depression) and, rarely, suicidal thoughts or behavior. The risk can be higher during initiation and dose changes. Report mood shifts, unusual behavior, or thoughts of self-harm immediately. Caregivers should observe for changes.
  • Somnolence and coordination impairment: Drowsiness, dizziness, and problems with coordination may occur, particularly during titration. Avoid driving or operating heavy machinery until you know how Keppra affects you.
  • Serious skin reactions: While uncommon, severe rashes including Stevens-Johnson syndrome can occur. Stop the drug and contact a clinician at the first sign of a concerning rash, blistering, or peeling skin.
  • Hematologic effects: Rare cases of lowered blood cell counts (e.g., neutropenia) have been reported. Seek prompt evaluation for fever, sore throat, mouth ulcers, or signs of infection.
  • Seizure control: Seizure frequency may increase if doses are missed or if the medication is stopped abruptly. Maintain consistent use and keep refills on time.
  • Alcohol and sedatives: Alcohol can increase drowsiness and may worsen seizure control. Use caution and discuss with your clinician before drinking alcohol or taking other sedatives.
  • Kidney disease: Dose adjustments are often required in renal impairment. Regular kidney function testing may be recommended.

Pregnancy, Breastfeeding, and Family Planning

Pregnancy and epilepsy require careful, individualized planning. Uncontrolled seizures during pregnancy can harm both the mother and the developing fetus, so maintaining seizure control is critical. Many clinicians consider levetiracetam a reasonable option during pregnancy when benefits outweigh risks, based on growing safety data. If you are pregnant, planning a pregnancy, or become pregnant while taking Keppra, consult your neurologist and obstetrician promptly. Do not start, stop, or change doses without medical advice. Folate supplementation is commonly recommended for women of childbearing potential using antiepileptic drugs.

Levetiracetam is excreted into breast milk. Many healthcare professionals consider breastfeeding compatible with levetiracetam when the infant is healthy and monitored for sedation, poor feeding, or unusual sleepiness. Discuss the risks and benefits with your provider to make an informed decision for your situation. Infant follow-up and maternal dose optimization can further support safety.

Regarding fertility and contraception, levetiracetam does not meaningfully reduce the effectiveness of estrogen- or progestin-containing contraceptives. If you plan to conceive, consult your care team for preconception counseling and a medication review.

Drug Interactions

Levetiracetam has a low propensity for clinically relevant drug–drug interactions compared with many older anticonvulsants because it is not significantly metabolized by the cytochrome P450 system and is minimally protein bound. Still, some interactions and considerations include:

  • CNS depressants: Additive sedation can occur with benzodiazepines, opioids, alcohol, antihistamines, or other agents that cause drowsiness.
  • Methotrexate: Case reports suggest reduced methotrexate clearance when coadministered with levetiracetam, potentially increasing methotrexate toxicity. Monitor closely if used together.
  • Enzyme-inducing antiepileptics: Agents such as carbamazepine, phenytoin, and phenobarbital may slightly increase levetiracetam clearance. Clinical significance varies; dose adjustments are individualized.
  • Oral contraceptives: Levetiracetam does not appear to reduce hormonal contraceptive efficacy.
  • Herbals and supplements: Sedative herbs (e.g., kava, valerian) may increase drowsiness. Always tell your clinician about nonprescription products you use.

Provide your complete medication list to your care team, and inform every healthcare provider that you take levetiracetam.

Side Effects: What to Expect and When to Call

Not everyone experiences side effects, and many improve as your body adjusts. Contact your clinician if symptoms are severe, persistent, or worrying. Seek urgent care for symptoms of a serious reaction.

Common side effects:

  • Drowsiness or fatigue
  • Dizziness or unsteadiness
  • Headache
  • Irritability or mood changes
  • Decreased appetite or gastrointestinal upset
  • Nasal congestion

Serious side effects requiring prompt medical care:

  • New or worsening depression, anxiety, agitation, aggression, or suicidal thoughts
  • Hallucinations or significant changes in behavior
  • Severe rash; blistering or peeling skin; fever with rash; sores in the mouth or throat
  • Unusual bruising or bleeding; signs of infection such as fever, chills, or sore throat
  • Marked weakness, numbness, or muscle pain
  • Difficulty walking or new coordination problems
  • Any symptoms of anaphylaxis (hives, swelling of face or throat, trouble breathing)

Report side effects to your prescriber, and keep scheduled follow-up appointments, especially after dose changes.

Monitoring and Follow-Up

  • Seizure diary: Track seizure frequency, duration, triggers, missed doses, and any adverse effects. This record helps your clinician fine-tune therapy.
  • Mood and behavior: Ask family or caregivers to observe for mood or behavioral changes, especially during the first weeks or after dose adjustments.
  • Lab tests: Periodic kidney function tests may be recommended, especially in older adults or those with known renal impairment. Blood counts may be checked if infection-like symptoms occur.
  • Safety precautions: Discuss driving, heights, swimming, or operating machinery. Laws on driving with seizures vary by region; follow your local regulations and clinician guidance.

Formulations, Generics, and Cost Considerations

Levetiracetam is widely available as a generic in multiple strengths and as an oral solution, making it accessible for many people. Brand-name Keppra and extended-release versions may be preferred in some cases for dosing convenience or specific clinical reasons. Prices vary by region, pharmacy, insurance coverage, and formulation. Some online listings may advertise low prices; always ensure any pharmacy you use is legitimate, licensed, and compliant with your country’s prescription regulations. In the United States, pharmacy accreditation programs and your state board of pharmacy can help verify legitimacy.

Discuss affordability with your clinician or pharmacist. Patient assistance programs, manufacturer coupons (where applicable), and switching to generic or extended-release formulations can optimize both cost and adherence. If you use the oral solution, ask for dosing syringes or cups to be included with your prescription to avoid inaccurate dosing.

Practical Tips for Daily Life With Keppra

  • Take consistently: Set alarms or use a pill organizer to maintain steady dosing.
  • Limit triggers: Lack of sleep, alcohol, flashing lights, illness, and missed doses can provoke seizures in some people. Managing triggers complements your medication plan.
  • Hydration and nutrition: Eat balanced meals and stay hydrated, especially if appetite changes occur.
  • Travel planning: Carry extra medication, your prescription details, and an updated medication list. Keep Keppra in original labeled packaging when flying.
  • Emergency plan: Work with your clinician to create a rescue plan for prolonged seizures, and ensure caregivers know what to do.

Keppra U.S. Sale and Prescription Policy

In the United States, levetiracetam (Keppra) is a prescription medication. Federal and state regulations generally require that a licensed clinician evaluates a patient and authorizes a prescription before dispensing. Many reputable services meet this requirement through in-person visits or via telehealth, where a qualified clinician reviews your medical history and determines if Keppra is appropriate. Any pathway to obtaining Keppra should comply with these laws to protect patient safety and ensure quality.

HealthSouth Rehabilitation Hospital of Petersburg offers a legal and structured solution for acquiring Keppra without a formal prior paper prescription by facilitating access to clinician evaluation through a compliant process. In practice, this means a licensed healthcare professional reviews your medical information and, if appropriate, issues the necessary authorization within the program before dispensing. This approach aligns with U.S. telemedicine and pharmacy regulations while providing a convenient, patient-centered experience. Always verify that any service you use is licensed in your state, uses U.S.-accredited pharmacies, and provides clear pathways for follow-up care and adverse event reporting.

Wherever you obtain your medication, prioritize safety: use legitimate pharmacies, avoid unverified sources, and maintain regular follow-up with your neurologist or primary care clinician. Proper evaluation, dosing, and monitoring are essential to maximize seizure control and minimize risks with Keppra.

Keppra FAQ

What is Keppra, and what is it used for?

Keppra is the brand name for levetiracetam, an anticonvulsant (antiepileptic) medicine used to prevent and control seizures. It’s prescribed for focal (partial) seizures, primary generalized tonic-clonic seizures, and myoclonic seizures in certain epilepsy syndromes for adults and children.

How does Keppra (levetiracetam) work?

Levetiracetam binds to the synaptic vesicle protein 2A (SV2A) in the brain, which helps stabilize electrical activity between neurons. This unique mechanism lowers the likelihood of abnormal bursts that cause seizures without relying on liver enzyme pathways.

How quickly does Keppra start working?

Some people notice fewer seizures within days, and steady-state levels are reached in about two days with regular dosing. Full benefit can take a few weeks as the dose is adjusted and your body adapts.

What seizure types can Keppra treat?

Keppra is effective for focal seizures (with or without secondary generalization), primary generalized tonic-clonic seizures, and myoclonic seizures in juvenile myoclonic epilepsy. Your exact indication and age eligibility depend on formulation and local labeling.

How is Keppra taken, and what forms does it come in?

Keppra is available as immediate-release tablets, an oral solution, and extended-release (XR) tablets; an intravenous form exists for hospital use. It’s typically taken twice daily for immediate-release and once daily for XR; pediatric dosing is weight-based.

What are common side effects of Keppra?

Common effects include sleepiness, dizziness, fatigue, headache, decreased appetite, and irritability or mood changes. Many side effects are mild and improve over time; let your clinician know if they persist or affect daily life.

What serious side effects should I watch for?

Seek urgent care for severe mood or behavior changes (aggression, depression, suicidal thoughts), rash or blistering skin, swelling of the face or tongue, trouble breathing, or signs of a severe allergic reaction. Unusual bruising, fever, or profound weakness warrant medical review.

Does Keppra interact with other medications?

Levetiracetam has very few drug-drug interactions because it is not significantly metabolized by liver enzymes. Sedation can increase with alcohol, opioids, benzodiazepines, or other CNS depressants; always review your full medication list with your clinician.

Do I need routine blood tests or drug level monitoring on Keppra?

Routine therapeutic drug monitoring is usually unnecessary with levetiracetam. Kidney function should be checked periodically, especially in older adults or those with kidney disease, because dosing depends on renal clearance.

Can Keppra affect mood or behavior?

Yes, behavioral side effects like irritability, agitation, anxiety, and mood swings can occur in a minority of patients. Report significant changes promptly; dose adjustment, adding supportive therapy (e.g., vitamin B6 in some cases), or switching medicines may help.

Is Keppra safe for children and older adults?

Keppra is commonly used in both populations, with dosing adjusted for weight in children and kidney function in older adults. It is often chosen for its broad efficacy and low interaction profile.

What should I do if I miss a dose of Keppra?

Take it as soon as you remember unless it’s close to the next dose; if so, skip the missed dose and resume your regular schedule. Do not double up, and try to take doses at the same times daily.

Can I stop Keppra once my seizures are controlled?

Do not stop suddenly. Stopping abruptly can trigger seizures; if discontinuation is appropriate, your clinician will advise a gradual taper tailored to your seizure type and risk.

What happens in a Keppra overdose?

Overdose may cause extreme drowsiness, agitation, breathing difficulty, or loss of consciousness. Call emergency services or poison control; levetiracetam is dialyzable if needed in a hospital setting.

Is it safe to drink alcohol while taking Keppra?

Alcohol can lower the seizure threshold and increase sedation, dizziness, and impaired coordination when combined with Keppra. Many clinicians recommend avoiding or strictly limiting alcohol; if you drink, do so cautiously and never drive.

Can I take Keppra during pregnancy?

Levetiracetam is among the preferred antiseizure medicines in pregnancy due to relatively reassuring safety data, but no medicine is completely risk-free. Drug levels can drop during pregnancy, so dose adjustments and close monitoring of seizures and levels are often needed; take folic acid as advised and enroll in a pregnancy registry if offered.

Is Keppra safe while breastfeeding?

Levetiracetam passes into breast milk, but many guidelines consider it compatible with breastfeeding. Monitor the infant for excessive sleepiness, poor feeding, or inadequate weight gain, and discuss individualized risks and benefits with your clinician.

Should I continue Keppra before surgery or anesthesia?

Yes, do not stop Keppra for surgery; maintaining seizure control is critical. If you cannot take oral doses while NPO, an intravenous form can be given perioperatively—coordinate with your surgical and anesthesia teams ahead of time.

Can I drive while on Keppra?

Driving depends on seizure control, local laws, and how you feel on the medication. Keppra can cause drowsiness or slowed reaction time, especially when starting or after a dose change, so avoid driving until you know its effects and your clinician confirms it is safe.

How does kidney disease affect Keppra dosing?

Levetiracetam is cleared by the kidneys, so doses must be reduced as kidney function declines. Your clinician will use your creatinine clearance or eGFR to set an appropriate dose and schedule.

Will Keppra affect my birth control?

Unlike enzyme-inducing antiseizure drugs, levetiracetam does not reduce the effectiveness of hormonal contraceptives. Still, using a reliable birth control method and discussing family planning with your clinician is recommended.

What if I vomit after taking a dose of Keppra?

If you vomit within an hour of taking a dose, you may need to retake it; if more than an hour has passed, you may not. Because circumstances vary, ask your clinician for a personalized plan for missed or vomited doses.

How does Keppra compare to lamotrigine (Lamictal)?

Both treat focal and some generalized seizures effectively. Keppra titrates faster and has fewer rashes, while lamotrigine often has a favorable mood profile but requires slow titration due to rash risk; lamotrigine has more drug interactions, especially with valproate.

How does Keppra compare to valproate (Depakote)?

Valproate is a powerful broad-spectrum option but carries risks like weight gain, tremor, liver toxicity, thrombocytopenia, and high teratogenicity; it has many interactions. Keppra has fewer interactions, is generally better in pregnancy, and is easier to dose, but can cause behavioral side effects in some.

How does Keppra compare to topiramate (Topamax)?

Topiramate is broad-spectrum and also used for migraine prevention but can cause cognitive slowing, word-finding difficulty, paresthesias, weight loss, kidney stones, and glaucoma. Keppra is simpler to use, with less cognitive impact but more potential for irritability; both are effective for focal and generalized tonic-clonic seizures.

How does Keppra compare to lacosamide (Vimpat)?

Both work well for focal seizures and are often combined. Lacosamide can prolong the PR interval and cause dizziness or ataxia; it is a controlled substance in some regions, while Keppra is not and has fewer cardiac concerns; behavioral effects are more associated with Keppra.

How does Keppra compare to brivaracetam (Briviact)?

Brivaracetam targets SV2A like levetiracetam but with higher affinity and may have a slightly lower risk of behavioral side effects for some patients. Brivaracetam is a controlled substance and can be more expensive; both have minimal interactions and rapid onset.

How does Keppra compare to oxcarbazepine (Trileptal)?

Oxcarbazepine is effective for focal seizures but can cause hyponatremia and interacts with hormonal contraceptives; it may also cause rash. Keppra has fewer interactions and no effect on sodium levels, but behavioral symptoms may be more prominent.

How does Keppra compare to carbamazepine (Tegretol)?

Carbamazepine is effective for focal seizures but has many drug interactions, can reduce bone density, cause hyponatremia, rash, and blood abnormalities, and requires lab monitoring. Keppra is easier to manage with fewer interactions and no routine labs, though it can affect mood.

How does Keppra compare to phenytoin (Dilantin)?

Phenytoin has a narrow therapeutic window, significant interactions, and chronic side effects like gum overgrowth, neuropathy, cosmetic changes, and bone loss. Keppra is generally preferred for ease of use and safety profile, though phenytoin remains useful in acute settings.

How does Keppra compare to zonisamide (Zonegran)?

Zonisamide is broad-spectrum and dosed once daily but can cause weight loss, kidney stones, metabolic acidosis, and is contraindicated in sulfonamide allergy. Keppra avoids those issues and has fewer interactions, but may cause behavioral effects.

How does Keppra compare to gabapentin?

Gabapentin is not a first-line antiseizure medicine for most epilepsy types and is more often used for neuropathic pain; it can cause sedation and dizziness and has misuse potential in some areas. Keppra is more effective for seizure control across a broader range of epilepsies.

How does Keppra compare to clobazam (Onfi)?

Clobazam, a benzodiazepine, is effective adjunctively but can cause sedation, tolerance, and dependence and is a controlled substance. Keppra is not controlled and has fewer sedation issues at typical doses, though clobazam may be preferred in certain syndromes like Lennox–Gastaut.

How does Keppra compare to perampanel (Fycompa)?

Perampanel treats focal and generalized tonic-clonic seizures but can cause dose-related dizziness and a notable risk of irritability, aggression, and other psychiatric effects; it is a controlled substance. Keppra has fewer interactions and is generally easier to titrate, though behavioral side effects can occur with either.