Vimpat

(lacosamide)

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Controls partial seizures.

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Our bottom line

Vimpat (lacosamide) is considered a first choice medicine to control partial seizures, but it can be expensive since it's brand name.

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Quick facts about Vimpat
  • Drug class: Neuro/psych
  • Rx status: Prescription only
  • Generic status: No lower cost generic available

Upsides

  • Vimpat (lacosamide) is part of the first choice medicines to control partial seizures.
  • Available in pills or liquid to use at home, and as an injectable in the hospital.
  • Can be used by itself or with other medicines to control seizures.
  • There are programs available through the manufacturer that can lower your copay.
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What to expect from Vimpat, on one page

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Downsides

  • Only available as a brand name, so it can have a higher copay.
  • There are other medicines similar to Vimpat (lacosamide) that are available as generic and are much cheaper.
  • Vimpat (lacosamide) only works for partial seizures. It can't be used to treat other types of seizures.
  • Vimpat (lacosamide) Is a controlled medicine, so you can only get a limited amount per month.
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What to expect from Vimpat, on one page

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How it works

Vimpat (lacosamide) is an amino acid. While it's not clear exactly how Vimpat (lacosamide) controls seizures, it helps to stabilize nerve cells. Seizures are caused by nerves that are too active.

Quick facts about Vimpat
  • Drug class: Neuro/psych
  • Rx status: Prescription only
  • Generic status: No lower cost generic available

Used for

Dosage forms

  • Pill
  • Liquid
  • Injection
Tried Vimpat? Write a review!

Prices and coupons

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What to expect when you take Vimpat (lacosamide) for Partial seizures

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  • First few hoursHours
    First few daysDays
    First few weeksWeeks
    First few monthsMonths
  • Effectiveness
  • Starts to kick in
    Full effects
  • First few hoursHours
    First few daysDays
    First few weeksWeeks
    First few monthsMonths
  • Possible side effects
  • Dizziness
  • Difficulty controlling movement
  • Suicidal behavior
  • Headache
  • Nausea
  • Double vision
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Side effect rates for Vimpat (lacosamide)

From 1308 clinical trials of Vimpat when taken for partial seizures
  • Dizziness
    43%43%
  • Sleepiness
    26%26%
  • Nausea
    14%14%
  • Headache
    13%13%
    9%9%
  • Fatigue
    12%12%
  • Double vision
    11%11%
    2%2%
  • Nausea
    11%11%
    4%4%
  • Vomiting
    9%9%
    3%3%
  • Fatigue
    9%9%
    6%6%
  • Double vision
    9%9%
  • Blurry vision
    8%8%
    3%3%
  • Difficulty controlling movement
    8%8%
    2%2%
  • Headache
    8%8%
  • Sleepiness
    7%7%
    5%5%
  • Tremor
    7%7%
    4%4%
  • Dry mouth
    6%6%
  • Prickling and tingling sensation
    6%6%
  • Difficulty controlling eye movements
    5%5%
    4%4%
  • Blurry vision
    5%5%
  • Vomiting
    5%5%
  • Prickling and tingling in the mouth
    5%5%
  • Numbness in the mouth
    5%5%
  • Loss of balance
    4%4%
    1%1%
  • Diarrhea
    4%4%
    3%3%
  • Problems with balance
    4%4%
  • Diarrhea
    4%4%
  • Tremor
    4%4%
  • Itching
    4%4%
  • Bruising
    3%3%
    3%3%
  • Skin lacerations
    3%3%
    2%2%
  • Problems with walking
    3%3%
  • Chest pain
    3%3%
  • Problems with coordination
    3%3%
  • Problems with walking
    2%2%
  • Weakness
    2%2%
    1%1%
  • Memory problems
    2%2%
    2%2%
  • Depression
    2%2%
    1%1%
  • Itching
    2%2%
    1%1%
  • Excessive sweating
    2%2%
0%
10%
20%
30%
40%
50%
60%
70%
80%
Where we got our data »

The placebo bar shows how common a side effect was for people taking a sugar pill instead of Vimpat.

Vimpat (lacosamide)
Placebo

People taking Vimpat felt side effect more

People taking Vimpat felt side effect less

No difference

Risks and Warnings for Vimpat (lacosamide)

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    • Higher risk if:
    • › Taking other medicines to control seizures

    Vimpat (lacosamide), like other medicines used to control seizures, can increase the risk of suicide. If your mood worsens and you want to hurt yourself after you start taking Vimpat (lacosamide), talk to your doctor right away.

Pharmacist Q&A

Vimpat (lacosamide) questions for

Frequently Asked Questions

This medication treats partial-onset seizures in adults aged 17 years and older.

Who is this drug for?

This medication treats partial-onset seizures in adults aged 17 years and older.

Common concerns from people taking Vimpat (lacosamide)

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Pregnancy

Research studies with animals found harmful effects on unborn babies. It hasn’t been properly studied in humans. The benefits might outweigh the risks even if you’re pregnant. Talk with your doctor.

See the FDA package insertSee pregnancy safe medications
Tip: Always talk with your doctor before you take any medication while pregnant.
FDA pregnancy category for Vimpat
CWeigh risks vs. benefits
Food
  • You can take Vimpat (lacosamide) with or without food.