Brand Names: Sabril
Generic Name: vigabatrin
- What is vigabatrin (Sabril)?
- What are the possible side effects of vigabatrin (Sabril)?
- What is the most important information I should know about vigabatrin (Sabril)?
- What should I discuss with my healthcare provider before taking vigabatrin (Sabril)?
- How should I take vigabatrin (Sabril)?
- What happens if I miss a dose (Sabril)?
- What happens if I overdose (Sabril)?
- What should I avoid while taking vigabatrin (Sabril)?
- What other drugs will affect vigabatrin (Sabril)?
- Where can I get more information (Sabril)?
What is vigabatrin (Sabril)?
Vigabatrin is an anti-epileptic medicine, also called an anticonvulsant.
Vigabatrin is used in combination with other medications to treat complex partial seizures in adults and children who are at least 10 years old. Vigabatrin powder for oral solution is used to treat infantile spasms in babies and children between the ages of 1 month and 2 years.
Vigabatrin can cause serious side effects and should be used only by people who have been unable to control their seizures with several other medications.
Vigabatrin may also be used for purposes not listed in this medication guide.
What are the possible side effects of vigabatrin (Sabril)?
Get emergency medical help if you have signs of an allergic reaction (hives, difficult breathing, swelling in your face or throat) or a severe skin reaction (fever, sore throat, burning eyes, skin pain, red or purple skin rash with blistering and peeling).
Taking vigabatrin can cause permanent vision loss. Tell your doctor right away about any changes in your vision. If a child is taking vigabatrin: Tell the doctor right away if the child shows signs of vision changes, such as bumping into things or being easily startled or surprised.
Report any new or worsening symptoms to your doctor, such as: mood or behavior changes, anxiety, panic attacks, trouble sleeping, or if you feel impulsive, irritable, agitated, hostile, aggressive, restless, hyperactive (mentally or physically), depressed, or have thoughts about suicide or hurting yourself.
Call your doctor at once if you have:
- increased or worsening seizures;
- any change in your vision, no matter how mild;
- unusual or involuntary eye movements;
- severe drowsiness, fussiness, or feeding problems (in a baby taking vigabatrin);
- numbness, tingling, or burning pain in your hands or feet;
- weight gain with or without swelling;
- signs of an ear infection--fever, ear pain or full feeling, trouble hearing, drainage from the ear, fussiness in a child; or
- low red blood cells (anemia)--pale skin, unusual tiredness, feeling light-headed or short of breath, cold hands and feet.
Some babies treated with vigabatrin have had abnormal brain changes seen on magnetic resonance imaging (MRI). It is not known if these changes are caused by vigabatrin or if they are harmful. Tell any doctor who treats your baby that the child is taking vigabatrin.
Common side effects may include:
- blurred vision or other eye problems;
- drowsiness, dizziness, feeling tired;
- problems with walking or coordination;
- tremors or shaking;
- aggressive behavior;
- confusion, problems with thinking or memory;
- weight gain;
- joint pain;
- cold symptoms such as stuffy nose, sneezing, sore throat; or
- (in babies) fussiness, ear infection, cough, breathing problems.
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 vigabatrin (Sabril)?
Taking vigabatrin can cause permanent vision loss, even after you stop using this medicine. Tell your doctor right away about any changes in your vision. You must have frequent eye exams while taking this medicine.
Some people have thoughts about suicide while taking seizure medication. Stay alert to changes in your mood or symptoms. Report any new or worsening symptoms to your doctor.
Vigabatrin should be used only by people who have been unable to control their seizures with several other medications.
What should I discuss with my healthcare provider before taking vigabatrin (Sabril)?
Some people taking vigabatrin have developed vision problems within weeks to years after starting treatment. Vision loss caused by vigabatrin may be permanent, and you may notice only mild symptoms at first. Talk to your doctor about this possibility.
Vigabatrin is available only from a certified pharmacy under a special program. You must be registered in the program and agree to have vision exams every 3 months while taking vigabatrin. Be sure you understand the risks and benefits of taking this medicine.
You should not use vigabatrin if you are allergic to it.
Tell your doctor if you (or the child taking this medicine) have ever had:
- vision problems;
- kidney disease;
- anemia (low red blood cells); or
- depression, a mood disorder, mental illness, or suicidal thoughts or actions.
Some people have thoughts about suicide while taking vigabatrin. 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.
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 vigabatrin on the baby.
You should not breast-feed while you are using vigabatrin.
How should I take vigabatrin (Sabril)?
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.
You may take vigabatrin with or without food.
Vigabatrin powder must be mixed only with water, and can be given to the child with a meal. Read and carefully follow any Instructions for Use provided with your medicine. Ask your doctor or pharmacist if you do not understand these instructions.
Anyone taking vigabatrin can develop vision problems that could get worse, even after you stop using this medicine. The more you take vigabatrin, the more likely you are to develop severe vision problems.
You will need a thorough eye exam when you start taking vigabatrin and then every 3 months during treatment. Eye exams may not fully prevent vision damage, but they will help your doctor decide whether to change your treatment plan. Stay alert to any changes in your vision and report them to your doctor right away. If you ever stop taking vigabatrin, you may still need continued eye exams.
Call your doctor if your complex partial seizures do not improve after 3 months of treatment, or if your baby's infantile spasms do not improve after 2 to 4 weeks of treatment.
Do not stop using vigabatrin suddenly, even if you feel fine. Stopping suddenly may cause increased seizures. Follow your doctor's instructions about tapering your dose.
Store vigabatrin in the original container at room temperature away from moisture and heat.
What happens if I miss a dose (Sabril)?
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.
Call your doctor for instructions if your baby is taking vigabatrin and misses a dose, takes only part of a dose, or spits up or vomits after taking the medicine.
What happens if I overdose (Sabril)?
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.
Overdose symptoms may include severe drowsiness or dizziness, confusion, trouble speaking, feeling agitated or irritable, unusual thoughts or behavior, increased seizures, slow heart rate, weak or shallow breathing, or fainting.
What should I avoid while taking vigabatrin (Sabril)?
Avoid driving or hazardous activity until you know how this medicine will affect you. Your reactions could be impaired.
What other drugs will affect vigabatrin (Sabril)?
Other drugs may affect vigabatrin, 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 (Sabril)?
Your pharmacist can provide more information about vigabatrin.
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