What is Vimpat?Vimpat is a medicine used to treat partial-onset seizures. Vimpat is available in tablets or oral solution, or it can be administered intravenously (through a vein in your arm).
Vimpat is a federally controlled substance because it has abuse potential.
What is the most important information I should know about Vimpat?Vimpat has abuse potential and can cause dependence. Mental dependence can occur with the use of Vimpat. Keep Vimpat in a safe place to prevent it from theft. Do not give your Vimpat to anyone else, because it may harm them. Selling or giving away this medicine is against the law.
Do not stop taking Vimpat without first talking to your doctor. Stopping Vimpat suddenly can cause serious problems, including seizures that will not stop (status epilepticus).
Vimpat can cause suicidal thoughts or actions. Tell your doctor immediately if you have thoughts about suicide or dying; attempt to commit suicide; have new or worse depression, anxiety, or irritability; have panic attacks; have trouble sleeping (insomnia); have an extreme increase in activity and talking (mania); are feeling agitated or restless; acting aggressive; being angry or violent; acting on dangerous impulses; or have other unusual changes in behavior or mood.
Vimpat can make you feel dizzy, have double vision, feel sleepy, or have problems with coordination and walking. Do not drive, operate heavy machinery, or engage in dangerous activities until you know how Vimpat affects you.
Vimpat can cause you to have an irregular heartbeat or can cause you to faint. If you feel faint, lay down with raised legs until recovered. Tell your doctor if you have fast, slow, or pounding heartbeat; shortness of breath; feel lightheaded; fainted; or if you feel like you are going to faint.
Vimpat can also cause allergic reactions or serious problems that can affect organs, including the liver or kidney. Contact your doctor immediately if you experience a skin rash, fever, swollen lymph nodes (glands found throughout the body that remove bacteria and play an important role in your immune system) that do not go away, shortness of breath, swelling of your legs, yellowing of your skin or whites of your eyes, or dark urine.
Who should not take Vimpat?Do not take Vimpat if you are allergic to it or any of its ingredients.
What should I tell my doctor before I take the first dose of Vimpat?Tell your doctor about all prescription, over-the-counter, and herbal medications you are taking before beginning treatment with Vimpat. Also, talk to your doctor about your complete medical history, especially if you have or have had depression, mood problems, or suicidal thoughts or behavior; have heart, kidney, or liver problems; have abused drugs or alcohol in the past; or are pregnant, plan to become pregnant, or are breastfeeding.
What is the usual dosage?The information below is based on the dosage guidelines your doctor uses. Depending on your condition and medical history, your doctor may prescribe a different regimen. Do not change the dosage or stop taking your medication without your doctor's approval.
Adults and adolescents ≥17 years: The recommended starting dose is 50 milligrams (mg) twice a day. Your doctor will increase your dose as needed, until the desired effect is achieved.
If you have kidney or liver impairment, your doctor will adjust your dose appropriately.
Attempts to taper or discontinue the medication should be made at specific intervals, through the guidance of your doctor.
How should I take Vimpat?Take Vimpat exactly as prescribed by your doctor. You can take Vimpat with or without food. Do not change your dose or stop taking this medication abruptly without first talking to your doctor.
If your doctor has prescribed Vimpat oral solution, be sure to ask your pharmacist for a medicine dropper or medicine cup to help you measure the correct amount of Vimpat solution. Do not use a household teaspoon. Ask your pharmacist for instructions on how to use the measuring device the right way.
If you are on Vimpat injection for intravenous use, your doctor will administer this medication to you.
What should I avoid while taking Vimpat?Do not drive, operate heavy machinery, or engage in dangerous activities until you know how Vimpat affects you.
What are possible food and drug interactions associated with Vimpat?No significant interactions have been reported with Vimpat at this time. However, always tell your doctor about any medicines you take, including over-the-counter medications, vitamins, and herbal supplements.
What are the possible side effects of Vimpat?Side effects cannot be anticipated. If any develop or change in intensity, tell your doctor as soon as possible. Only your doctor can determine if it is safe for you to continue taking this drug.
Side effects may include: allergic reactions, balance disorder, blurred vision, confusion, depression, diarrhea, dizziness, double vision, drowsiness, headache, involuntary eye movement, itching, memory impairment, nausea, problems with your walking or coordination, tiredness, tremor, vomiting, weakness
Can I receive Vimpat if I am pregnant or breastfeeding?The effects of Vimpat during pregnancy and breastfeeding are unknown. Tell your doctor immediately if you are pregnant, plan to become pregnant, or are breastfeeding.
What should I do if I miss a dose of Vimpat?If you miss a dose of Vimpat, take it as soon as you remember. However, if it is almost time for your next dose, skip the one you missed and return to your regular dosing schedule. Do not take two doses at once.
How should I store Vimpat?Store at room temperature. Do not freeze Vimpat oral solution. Discard any unused oral solution remaining after 7 weeks of first opening the bottle.