It is very important that your doctor check your progress at regular visits to make sure this medicine is working properly and to check for unwanted effects.
If you develop any unusual or strange thoughts and behavior while receiving lacosamide injection, be sure to discuss it with your doctor. Some changes that have occurred in people receiving this medicine are like those seen in people who drink too much alcohol. Other changes might be confusion, worsening of depression, hallucinations (seeing, hearing, or feeling things that are not there), suicidal thoughts, and unusual excitement, nervousness, or irritability.
This medicine may cause some people to become drowsy, dizzy, lightheaded, unconscious, clumsy, unsteady, or less alert than they are normally. Make sure you know how you react to this medicine before you drive, use machines, or do anything else that could be dangerous if you are not alert or able to think or see well.
Do not stop taking this medicine without checking with your doctor first. Your doctor may want you to gradually reduce the amount you are using before stopping it completely.
Lacosamide injection may cause serious allergic reactions affecting multiple body organs (e.g., liver or kidney). Check with your doctor right away if you have the following symptoms: fever, dark urine, headache, rash, stomach pain, unusual tiredness, or yellow eyes or skin.