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lacosamide (oral/injection) (Vimpat)

Brand Names: Vimpat

Generic Name: lacosamide (oral/injection)

What is lacosamide (Vimpat)?

Lacosamide is an anticonvulsant that is used together with other medications to treat partial-onset seizures. Lacosamide oral (taken by mouth) is for use in adults and children who are at least 4 years old. Lacosamide injection is for use only in adults.

Lacosamide may also be used for purposes not listed in this medication guide.

What are the possible side effects of lacosamide (Vimpat)?

Get emergency medical help if you have signs of an allergic reaction: 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;
  • severe dizziness;
  • problems with balance or muscle movement;
  • chest pain, shortness of breath;
  • fast or pounding heartbeats; or
  • very slow heartbeats.

Common 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 is the most important information I should know about lacosamide (Vimpat)?

Do not stop using lacosamide suddenly or you may have increased seizures.

Some people have thoughts about suicide while taking lacosamide. Stay alert to changes in your mood or symptoms. Report any new or worsening symptoms to your doctor.

You may feel faint while taking lacosamide. Call your doctor right away if you have fast or pounding heartbeats, shortness of breath, and sudden dizziness.

What should I discuss with my healthcare provider before using lacosamide (Vimpat)?

You should not use lacosamide if you are allergic to it.

Tell your doctor if you have ever had:

Lacosamide oral solution may contain phenylalanine. Tell your doctor if you have phenylketonuria (PKU).

Some people have thoughts about suicide while taking lacosamide. 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 lacosamide on the baby.

It may not be safe to breast-feed a baby while you are using this medicine. Ask your doctor about any risks.

How should I use lacosamide (Vimpat)?

Follow all directions on your prescription label and read all medication guides or instruction sheets. Your doctor may occasionally change your dose. Use the medicine exactly as directed.

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.

Lacosamide oral can be taken with or without food.

Measure oral solution carefully. Use the dosing syringe provided, or use a medicine dose-measuring device (not a kitchen spoon).

Lacosamide 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.

Call your doctor if your seizures get worse or you have them more often while using lacosamide.

Do not stop using lacosamide 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 liquid form of lacosamide. 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.

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What happens if I miss a dose (Vimpat)?

Take the medicine as soon as you can, but skip the missed dose if it is almost time for your next dose. Do not take two doses at one time.

Get your prescription refilled before you run out of medicine completely.

What happens if I overdose (Vimpat)?

Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.

What should I avoid while using lacosamide (Vimpat)?

Avoid driving or hazardous activity until you know how this medicine will affect you. Your reactions could be impaired.

What other drugs will affect lacosamide (Vimpat)?

Other drugs may affect lacosamide, including prescription and over-the-counter medicines, vitamins, and herbal products. Tell your doctor about all your current medicines and any medicine you start or stop using.

Where can I get more information (Vimpat)?

Your pharmacist can provide more information about lacosamide.


Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.
Every effort has been made to ensure that the information provided by Cerner Multum, Inc. ('Multum') is accurate, up-to-date, and complete, but no guarantee is made to that effect. Drug information contained herein may be time sensitive. Multum information has been compiled for use by healthcare practitioners and consumers in the United States and therefore Multum does not warrant that uses outside of the United States are appropriate, unless specifically indicated otherwise. Multum's drug information does not endorse drugs, diagnose patients or recommend therapy. Multum's drug information is an informational resource designed to assist licensed healthcare practitioners in caring for their patients and/or to serve consumers viewing this service as a supplement to, and not a substitute for, the expertise, skill, knowledge and judgment of healthcare practitioners. The absence of a warning for a given drug or drug combination in no way should be construed to indicate that the drug or drug combination is safe, effective or appropriate for any given patient. Multum does not assume any responsibility for any aspect of healthcare administered with the aid of information Multum provides. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the drugs you are taking, check with your doctor, nurse or pharmacist.

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Reviewed on 7/24/2019

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