Medically reviewed by Judith Stewart, BPharm. Last updated on Feb 3, 2021.
What is Vimpat?
Vimpat (lacosamide) is an anti-epileptic drug, also called an anticonvulsant.
Vimpat is used to treat partial-onset seizures in adults and children who are at least 4 years old.
Vimpat is also used to treat primary generalized tonic-clonic seizures in people who are at least 4 years old.
Do not stop using Vimpat suddenly or you may have increased seizures.
Some people have thoughts about suicide while using Vimpat. Stay alert to changes in your mood or symptoms. Report any new or worsening symptoms to your doctor.
You may feel faint while using Vimpat. Call your doctor right away if you have fast or pounding heartbeats, shortness of breath, and sudden dizziness.
Before taking this medicine
You should not use Vimpat if you are allergic to lacosamide.
To make sure this medicine is safe for you, tell your doctor if you have ever had:
drug or alcohol addiction; or
nerve problems caused by diabetes.
Vimpat oral solution may contain phenylalanine. Tell your doctor if you have phenylketonuria (PKU).
Some people have thoughts about suicide while using Vimpat. Your doctor will need to check your progress at regular visits. Your family or other caregivers should also be alert to changes in your mood or symptoms.
Call your doctor if you have new or worsening depression or suicidal thoughts during the first several months of treatment, or whenever your dose is changed.
Do not start or stop taking seizure medication during pregnancy without your doctor's advice. Having a seizure during pregnancy could harm both mother and baby. Tell your doctor right away if you become pregnant.
If you are pregnant, your name may be listed on a pregnancy registry to track the effects of Vimpat on the baby.
It may not be safe to breastfeed a baby while you are using this medicine. Ask your doctor about any risks.
Vimpat should not be given to a child younger than 4 years old.
How should I use Vimpat?
Take Vimpat exactly as prescribed by your doctor. Follow all directions on your prescription label and read all medication guides or instruction sheets. Your doctor may occasionally change your dose.
Vimpat oral is taken by mouth. Vimpat injection is given as an infusion into a vein. A healthcare provider will give you this injection if you are unable to take the medicine by mouth.
Lacosamide doses are based on weight in children. Your child's dose needs may change if the child gains or loses weight.
Lacosamide may be habit-forming. Misuse can cause addiction, overdose, or death. Keep the medication in a place where others cannot get to it. Selling or giving away this medicine is against the law.
Vimpat tablets or oral solution can be taken with or without food.
Swallow the tablet whole and do not crush, chew, or break it.
Measure oral solution carefully. Use the dosing syringe provided, or use a medicine dose-measuring device (not a kitchen spoon).
Call your doctor if your seizures get worse or you have them more often while using this medicine.
Do not stop using Vimpat suddenly, even if you feel fine. Stopping suddenly may cause increased seizures. Follow your doctor's instructions about tapering your dose.
In case of emergency, wear or carry medical identification to let others know you use seizure medication.
Store at room temperature away from moisture and heat. Do not freeze the oral solution. Throw away any oral solution not used within 7 weeks after opening the bottle.
Keep track of your medicine. You should be aware if anyone is using it improperly or without a prescription.
Usual Adult Dose for Seizures:
-Initial dose: 100 mg orally or IV twice a day (200 mg per day)
-Titration: Increase the dose by 50 mg twice a day (100 mg per day) every 7 days
-Maintenance dose: 150 to 200 mg orally or IV twice a day (300 to 400 mg per day)
-Alternate dosing: Initiate therapy with a single loading dose of 200 mg orally or IV, followed 12 hours later by 100 mg orally or IV twice a day for 7 days; based on individual response and tolerability, the dose can be increased by 50 mg twice a day (100 mg per day) every 7 days, as needed, up to a maintenance dose of 150 to 200 mg orally or IV twice a day (the loading dose should be administered with medical supervision because of the increased incidence of CNS adverse reactions)
-Initial dose: 50 mg orally or IV twice a day (100 mg per day)
-Titration: Increase the dose by 50 mg twice a day (100 mg per day) every 7 days
-Maintenance dose: 100 to 200 mg orally or IV twice a day (200 to 400 mg per day)
-Alternate dosing: Initiate therapy with a single loading dose of 200 mg orally or IV, followed 12 hours later by 100 mg orally or IV twice a day for 7 days; based on individual response and tolerability, the dose can be increased by 50 mg twice a day, as needed, up to the maximum maintenance dose of 200 mg orally or IV twice a day (the loading dose should be administered with medical supervision because of the increased incidence of CNS adverse reactions)
-Therapy can be initiated with either oral or IV administration.
-The oral formulation may be taken with or without food.
-The IV formulation is intended as an alternative when oral administration is temporarily not feasible.
-The IV formulation can be administered in the same dosing regimens used for oral dosing, including the loading dose.
-The IV formulation should be infused over a period of 15 to 60 minutes; IV infusion over 30 to 60 minutes is preferable, and should be used when a 15-minute administration is not required.
Use: As monotherapy or adjunctive therapy for partial-onset seizures in patients 4 years of age and older
What happens if I miss a dose?
Use the medicine as soon as you can, but skip the missed dose if it is almost time for your next dose. Do not use two doses at one time.
What happens if I overdose?
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.
What should I avoid while using Vimpat?
Avoid driving or hazardous activity until you know how this medicine will affect you. Your reactions could be impaired.
Vimpat side effects
Get emergency medical help if you have signs of an allergic reaction to Vimpat: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Seek medical treatment if you have a serious drug reaction that can affect many parts of your body. Symptoms may include: skin rash, fever, swollen glands, muscle aches, severe weakness, unusual bruising, or yellowing of your skin or eyes.
Report any new or worsening symptoms to your doctor, such as: mood or behavior changes, depression, anxiety, panic attacks, trouble sleeping, or if you feel impulsive, irritable, agitated, hostile, aggressive, restless, hyperactive (mentally or physically), or have thoughts about suicide or hurting yourself.
Call your doctor at once if you have:
a light-headed feeling, like you might pass out;
problems with balance or muscle movement;
chest pain, shortness of breath;
fast or pounding heartbeats;
very slow heartbeats; or
Common Vimpat side effects may include:
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1 800 FDA 1088.
What other drugs will affect Vimpat?
Tell your doctor about all your other medicines, especially:
heart or blood pressure medication.
This list is not complete. Other drugs may interact with lacosamide, including prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible drug interactions are listed here.Tell your doctor about all your current medicines and any medicine you start or stop using.
More about Vimpat (lacosamide)
- Side Effects
- During Pregnancy or Breastfeeding
- Dosage Information
- Drug Images
- Drug Interactions
- Pricing & Coupons
- En Español
- 139 Reviews
- Drug class: miscellaneous anticonvulsants
- FDA Approval History
- Advanced Reading
- Vimpat Intravenous (Advanced Reading)
- Vimpat (Lacosamide Injection)
- Vimpat (Lacosamide Oral Solution)
- Vimpat (Lacosamide Tablets)
Related treatment guides
Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use Vimpat only for the indication prescribed.
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
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