The Kingsley Clinic

Perampanel Medication: Uses, Dosage & Side Effects Explained

Summary of Key Points

Perampanel is a prescription medication commonly used to manage various types of seizures, including partial-onset seizures and generalized tonic-clonic seizures. This antiepileptic drug works by reducing abnormal electrical activity in the brain, helping to prevent seizures. It is often prescribed as part of a broader treatment plan for epilepsy and other seizure disorders. Always consult your healthcare provider before starting or adjusting your dose of Perampanel to ensure safe and effective use.

Names of the Medication

US Brand Name: Fycompa (Perampanel)

The generic name, Perampanel, refers to the active ingredient in the medication, while the brand name, Fycompa, is the name given by the manufacturer.

Pharmacologic Category

Perampanel belongs to the following pharmacologic categories:

  1. Anticonvulsant
  2. AMPA Glutamate Receptor Antagonist

Perampanel Dosage

The dosage of Perampanel varies based on the specific seizure condition being treated. It is crucial to follow your doctor’s instructions carefully and avoid making any changes to your dose without consulting a healthcare provider. If you have questions or need further guidance, consider scheduling a telemedicine appointment with a specialist.

Perampanel for Epilepsy

Initial Dose: 2 mg once daily at bedtime

Maintenance Dose: 4 to 12 mg once daily, depending on individual response and tolerability

Partial-Onset Seizures

Initial Dose: 2 mg once daily at bedtime

Maintenance Dose: 4 to 12 mg once daily, based on clinical response

Generalized Tonic-Clonic Seizures

Initial Dose: 2 mg once daily at bedtime

Maintenance Dose: 4 to 8 mg once daily, depending on effectiveness and side effects

Lennox-Gastaut Syndrome

Initial Dose: 2 mg once daily at bedtime

Maintenance Dose: 4 to 12 mg once daily, adjusted based on patient response

Seizure Disorders

Initial Dose: 2 mg once daily at bedtime

Maintenance Dose: 4 to 12 mg once daily

Drug-Resistant Epilepsy

Initial Dose: 2 mg once daily at bedtime

Maintenance Dose: 4 to 12 mg once daily

Focal Seizures

Initial Dose: 2 mg once daily at bedtime

Maintenance Dose: 4 to 12 mg once daily

Secondary Generalized Seizures

Initial Dose: 2 mg once daily at bedtime

Maintenance Dose: 4 to 12 mg once daily

Status Epilepticus

Initial Dose: 2 mg once daily at bedtime

Maintenance Dose: 4 to 12 mg once daily

Myoclonic Seizures

Initial Dose: 2 mg once daily at bedtime

Maintenance Dose: 4 to 12 mg once daily

Dosage Forms and Strengths

Perampanel is available in the following dosage forms and strengths:

  1. Tablets: 2 mg, 4 mg, 6 mg, 8 mg, 10 mg, 12 mg
  2. Oral Suspension: 0.5 mg/mL

Administration Instructions

Perampanel should be taken once daily at bedtime. It can be taken with or without food. If you miss a dose, take it as soon as you remember, unless it is close to the time for your next dose. In that case, skip the missed dose and continue with your regular schedule. Do not take two doses at the same time. Always follow your healthcare provider’s instructions and reach out to them if you have any questions about how to take this medication.

Contraindications for Perampanel

Contraindications are specific conditions or situations where a medication should not be used due to potential risks. For Perampanel, the following conditions may make its use unsafe:

  1. Severe liver disease: Since Perampanel is metabolized by the liver, severe liver impairment may prevent the body from processing the medication properly, leading to potentially harmful drug levels in the bloodstream.
  2. Severe kidney disease: Impaired kidney function can hinder the body’s ability to eliminate Perampanel, increasing the risk of toxicity.
  3. History of psychiatric disorders: Perampanel has been linked to mood changes, aggression, and suicidal thoughts. Patients with a history of psychiatric conditions may experience worsening symptoms.
  4. Hypersensitivity to Perampanel: If you have previously experienced an allergic reaction to Perampanel or any of its ingredients, you should avoid this medication, as it could trigger a severe allergic response.

Drug-to-Drug Interactions with Perampanel

Perampanel, like many other antiepileptic medications, can interact with a variety of drugs, potentially affecting its efficacy or increasing the likelihood of side effects. It is crucial to inform your healthcare provider about all the medications you are currently taking, including over-the-counter drugs, herbal supplements, and vitamins. Below are some notable drug interactions involving Perampanel:

  1. Carbamazepine (Tegretol): This anti-seizure medication can lower the levels of Perampanel in your body, reducing its effectiveness in controlling seizures.
  2. Phenytoin (Dilantin): Another anti-seizure drug, Phenytoin accelerates the breakdown of Perampanel, which may diminish its therapeutic benefits.
  3. Oxcarbazepine (Trileptal): This medication can decrease Perampanel’s effectiveness by increasing its metabolism in the liver.
  4. Rifampin (Rifadin): Commonly used to treat tuberculosis, Rifampin can lower Perampanel levels, potentially making it less effective.
  5. St. John’s Wort: This herbal supplement may reduce Perampanel concentrations in the body, which could compromise seizure control.

Perampanel and Pregnancy: What You Need to Know

Is it safe to take Perampanel during pregnancy? The safety of Perampanel use during pregnancy has not been fully established. While animal studies suggest there may be potential risks to the developing fetus, there is limited data on its effects in human pregnancies. If you are pregnant or planning to become pregnant, it is essential to consult your healthcare provider. Together, you can carefully weigh the potential risks and benefits. Uncontrolled seizures during pregnancy can pose serious risks to both the mother and the baby, so your doctor will help determine whether the benefits of using Perampanel to manage epilepsy outweigh the potential risks to your pregnancy.

Perampanel While Breastfeeding

Can you take Perampanel while breastfeeding? It is currently unclear whether Perampanel passes into breast milk, and there is limited information about its potential effects on a nursing infant. If you are breastfeeding or planning to breastfeed, it is important to discuss this with your healthcare provider. They can help you decide whether to continue taking Perampanel or explore alternative seizure medications that may be safer while nursing.

Estimated Cost of Perampanel Medication

The cost of Perampanel can vary depending on the dosage and the pharmacy you use. Without insurance, a 30-day supply of Perampanel (2 mg) typically costs between $1,200 and $1,500 when using a GoodRx coupon. For the most accurate pricing, check with your local pharmacy and explore available discount programs or patient assistance options that may help reduce the cost of your medication.

Possible Alternatives to Perampanel

If Perampanel is not the right medication for you, there are other antiepileptic drugs and treatment options available. Always consult your healthcare provider before making any changes to your treatment plan. You can also schedule a telemedicine appointment with one of our providers to discuss these alternatives in greater detail.

Alternatives for Epilepsy

Other anti-seizure medications, such as Lamotrigine (Lamictal), Levetiracetam (Keppra), or Valproate (Depakote), may be suitable options. Additionally, lifestyle adjustments—such as maintaining a consistent sleep schedule, managing stress, and avoiding known seizure triggers—can help improve seizure control.

Alternatives for Partial-Onset Seizures

Medications like Topiramate (Topamax) or Zonisamide (Zonegran) may be effective alternatives for managing partial-onset seizures. Some patients may also benefit from a ketogenic diet, which has been shown to reduce seizure frequency in certain cases.

Alternatives for Generalized Tonic-Clonic Seizures

Medications such as Valproate (Depakote) or Clobazam (Onfi) are commonly used to treat generalized tonic-clonic seizures. For patients who do not respond to medication alone, vagus nerve stimulation (VNS) therapy may be an option.

Alternatives for Lennox-Gastaut Syndrome

For patients with Lennox-Gastaut Syndrome, options include cannabidiol (CBD) products like Epidiolex or medications such as Rufinamide (Banzel). Dietary interventions, such as a ketogenic diet, may also help manage seizures associated with this condition.

Alternatives for Seizure Disorders

Depending on the type of seizures, medications like Ethosuximide (Zarontin) or Clonazepam (Klonopin) may be prescribed. Incorporating lifestyle changes, such as regular physical activity and a balanced diet, can also support seizure management.

Alternatives for Drug-Resistant Epilepsy

For patients with drug-resistant epilepsy, advanced options such as surgery, VNS therapy, or responsive neurostimulation (RNS) may be considered. These treatments are typically explored when medications fail to provide adequate seizure control.

Alternatives for Focal Seizures

Medications like Carbamazepine (Tegretol) or Gabapentin (Neurontin) may be effective for focal seizures. Additionally, mindfulness practices and stress management techniques can help reduce seizure triggers for some individuals.

Alternatives for Secondary Generalized Seizures

Medications such as Lamotrigine (Lamictal) or Valproate (Depakote) may be prescribed for secondary generalized seizures. In cases where medication alone is insufficient, surgical options may be explored to achieve better seizure control.

Alternatives for Status Epilepticus

Immediate treatment is critical for status epilepticus and often involves medications like Lorazepam (Ativan) or Diazepam (Valium). For long-term management, anti-seizure drugs such as Phenytoin (Dilantin) may be used.

Alternatives for Myoclonic Seizures

Medications like Levetiracetam (Keppra) or Valproate (Depakote) are commonly prescribed for myoclonic seizures. Lifestyle modifications, such as avoiding alcohol and ensuring adequate sleep, can also help reduce the frequency of these seizures.

Recent Updates on Perampanel Research

Recent studies have provided valuable insights into the long-term safety and effectiveness of Perampanel in managing various forms of epilepsy. A 2022 study demonstrated that Perampanel significantly reduced seizure frequency in patients with drug-resistant epilepsy, particularly when used in combination with other antiepileptic medications. These findings underscore the importance of Perampanel as a key component in comprehensive epilepsy treatment plans.

In addition to its well-established role in epilepsy management, ongoing research is exploring potential new applications for Perampanel. For instance, studies are investigating its effectiveness in treating other neurological conditions, such as migraines and neuropathic pain. While these preliminary results are promising, further research is necessary to confirm the safety and efficacy of Perampanel for these emerging uses.

Staying Informed About Perampanel and Your Treatment Plan

As advancements in Perampanel research continue, staying informed is essential to ensure your treatment plan remains effective and up to date. If you have questions about your Perampanel dosage, potential side effects, or how Perampanel may interact with other medications, it’s important to consult your healthcare provider. Gaining a clear understanding of how Perampanel works and its role in your care can empower you to make confident, informed decisions about your health.

Our telemedicine providers are here to support you every step of the way. Whether you’re considering Perampanel as part of your epilepsy treatment or exploring alternative seizure medications, we are available to address your concerns and guide you through your options. Schedule an appointment today to discuss your care and stay informed about the latest advancements in treatment.

James Kingsley
James Kingsley

Learn More
Scroll to Top