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Vimpat vs. Motpoly XR

Lacosamide (Vimpat) is an antiepileptic. People 1 month and older can take it on its own or with other antiepileptics for partial-onset seizures (also called focal aware seizures). It's also an add-on medication for people 4 years and older who have primary generalized tonic-clonic (PGTC) seizures (or grand mal seizures). Lacosamide (Vimpat) comes as tablets and an oral solution that's taken by mouth twice a day. It's also available as an injection that's used in the hospital. Side effects include dizziness, headache, and nausea. Lacosamide (Vimpat) comes as both brand-name and generic versions, but it's a controlled substance.

• Partial-onset seizures (or focal aware seizures) - for people at least 1 month of age
• Primary generalized tonic-clonic (PGTC) seizures - for people at least 4 years old

• Dizziness (31%)
• Headache (13%)
• Nausea (11%)
• Double vision (11%)
• Vomiting (9%)
• Tiredness (9%)
• Blurred vision (8%)
• Problems with movement or coordination (8%)
• Sleepiness (7%)
• Tremor (7%)

• Risk of suicidal thoughts and behavior
• Dizziness and problems with controlling movements
• Abnormal heartbeat
• Withdrawal seizures
• Allergic reactions
• Caution use in people with phenylketonuria (PKU) - oral solution only

Motpoly XR is the brand name for the extended-release lacosamide capsules. It's an antiepileptic medication. It can treat partial-onset seizures (also called focal aware seizures) and primary generalized tonic-clonic (PGTC) seizures. This medication is approved for adults and children who weigh at least 110 lbs. The capsules are swallowed whole once a day. In general, your dose is adjusted based on how well the medication works for you. Some common side effects include dizziness, headaches, and nausea.

• Partial-onset seizures (or focal aware seizures) in people weighing at least 110 lbs
• Primary generalized tonic-clonic (PGTC) seizures in people weighing at least 110 lbs

• Dizziness
• Headache
• Nausea
• Vomiting
• Double vision
• Blurred vision
• Sleepiness
• Fatigue or tiredness
• Having problems with movement or coordination

• Risk of suicidal thoughts and behavior
• Dizziness and problems with coordination
• Abnormal heart rhythm
• Allergic reactions
• Withdrawal seizures after stopping Motpoly XR (lacosamide) suddenly