Generic Name: vigabatrin (vye-GA-ba-trin)
Brand Name: Sabril
Sabril may cause permanent vision loss in a high percentage of patients. This effect may occur within weeks or sooner after starting treatment. It may also occur after months or years. The risk may increase with higher doses and prolonged use, but it may occur with any dose or length of use. Vision loss may continue to worsen after stopping Sabril.
Vision loss may not be detected until it is severe. Patients or caregivers may not be able to recognize the symptoms of vision loss. Eye exams will be performed at the start of treatment and at least every 3 months during treatment. They will also be performed for 3 to 6 months after treatment stops. Some patients may develop severe vision loss even with monitoring.
Tell your doctor if you have or are at risk for developing another type of permanent vision loss. Tell your doctor if you use other medicines that may cause serious vision problems (eg, retinopathy, glaucoma). Sabril should not be used in these patients unless the benefit outweighs the risks.
Use the lowest dose of Sabril for the shortest time needed. Sabril should not be used for longer than 3 months if no improvement is seen in your condition.
Sabril is used for:
Treating refractory complex partial seizures (CPS) that have not responded to several other treatments. It may also be used for other conditions as determined by your doctor.
Sabril is an antiepileptic. Exactly how it works is not known, but it may work by blocking certain enzymes in the brain.
Do NOT use Sabril if:
- you are allergic to any ingredient in Sabril
Contact your doctor or health care provider right away if any of these apply to you.
Before using Sabril:
Some medical conditions may interact with Sabril. Tell your doctor or pharmacist if you have any medical conditions, especially if any of the following apply to you:
- if you are pregnant, planning to become pregnant, or are breast-feeding
- if you are taking any prescription or nonprescription medicine, herbal preparation, or dietary supplement
- if you have allergies to medicines, foods, or other substances
- if you have vision problems, kidney problems, or certain blood problems (eg, anemia, porphyria)
- if you have a history of depression, other mental or mood problems, or suicidal thoughts or actions
Some MEDICINES MAY INTERACT with Sabril. Tell your health care provider if you are taking any other medicines, especially any of the following:
- Hydantoins (eg, phenytoin) because their effectiveness may decreased by Sabril
This may not be a complete list of all interactions that may occur. Ask your health care provider if Sabril may interact with other medicines that you take. Check with your health care provider before you start, stop, or change the dose of any medicine.
How to use Sabril:
Use Sabril as directed by your doctor. Check the label on the medicine for exact dosing instructions.
- Sabril comes with an extra patient information sheet called a Medication Guide. Read it carefully. Read it again each time you get Sabril refilled.
- Take Sabril by mouth with or without food.
- Do not suddenly stop taking Sabril. There may be an increased risk of side effects (eg, seizures). If you need to stop Sabril, your doctor will gradually lower your dose.
- Talk with your doctor about what to do if you miss a dose of Sabril.
Ask your health care provider any questions you may have about how to use Sabril.
Important safety information:
- Sabril may cause drowsiness, dizziness, or vision problems. These effects may be worse if you take it with alcohol or certain medicines. Use Sabril with caution. Do not drive or perform other possibly unsafe tasks until you know how you react to it.
- If symptoms do not get better within 3 months or if they get worse, check with your doctor.
- Sabril may cause weight gain. If you notice unusual weight gain, contact your doctor.
- Sabril may cause abnormal magnetic resonance imaging (MRI) changes in infants. These changes have not been seen in adults. Discuss any questions or concerns with your doctor.
- Patients who take Sabril may be at increased risk for suicidal thoughts or actions. The risk may be greater in patients who have had suicidal thoughts or actions in the past. Watch patients who take Sabril closely. Contact the doctor at once if new, worsened, or sudden symptoms such as depressed mood; anxious, restless, or irritable behavior; panic attacks; or any unusual changes in mood or behavior occur. Contact the doctor right away if any signs of suicidal thoughts or actions occur.
- Sabril may interfere with certain lab tests. Be sure your doctor and lab personnel know you are taking Sabril.
- Lab tests, including eye exams, may be performed while you use Sabril. These tests may be used to monitor your condition or check for side effects. Be sure to keep all doctor and lab appointments.
- Use Sabril with caution in the ELDERLY; they may be more sensitive to its effects.
- Sabril should be used with extreme caution in CHILDREN younger than 10 years old; safety and effectiveness in these children have not been confirmed.
- PREGNANCY and BREAST-FEEDING: It is not known if Sabril may cause harm to the fetus. If you think you may be pregnant, contact your doctor. You will need to discuss the benefits and risks of using Sabril while you are pregnant. Sabril is found in breast milk. Do not breast-feed while taking Sabril.
Possible side effects of Sabril:
All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome:
Seek medical attention right away if any of these SEVERE side effects occur:
Constipation; cough; diarrhea; dizziness; drowsiness; headache; irritability; joint pain; nausea; sore throat; stomach pain or upset; stuffy or runny nose; tiredness; trouble sleeping; vomiting; weakness; weight gain.
Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); burning, numbness, or tingling of the hands or feet; chest pain; confusion; decreased coordination; ear pain or discharge; fever, chills, or persistent sore throat; increased or painful urination; memory or attention problems; new or worsening mental, mood or behavior changes (eg, aggressiveness, agitation. depression; exaggerated feeling of well-being, hostility, impulsiveness, irritability, panic attacks, restlessness, or inability to sit still); new or worsening seizures; painful menstrual period; suicidal thoughts or actions; tremor; trouble walking; uncontrolled eye movements; unusual swelling (eg, of the hands or feet); unusual tiredness or weakness; vision changes (eg, blurred vision, double vision); vision loss (eg, loss of the outer edges of your vision).
This is not a complete list of all side effects that may occur. If you have questions or need medical advice about side effects, contact your doctor or health care provider. You may report side effects to FDA at 1-800-FDA-1088 (1-800-332-1088) or at http://www.fda.gov/medwatch.
If OVERDOSE is suspected:
Contact 1-800-222-1222 (the American Association of Poison Control Centers), your local poison control center, or emergency room immediately.Proper storage of Sabril:
Store Sabril at room temperature, between 68 and 77 degrees F (20 and 25 degrees C), in the original container. Store away from heat, moisture, and light. Do not store in the bathroom. Keep Sabril out of the reach of children and away from pets.
- If you have any questions about Sabril, please talk with your doctor, pharmacist, or other health care provider.
- Sabril is to be used only by the patient for whom it is prescribed. Do not share it with other people.
- If your symptoms do not improve or if they become worse, check with your doctor.
- Check with your pharmacist about how to dispose of unused medicine.
This information should not be used to decide whether or not to take Sabril or any other medicine. Only your health care provider has the knowledge and training to decide which medicines are right for you. This information does not endorse any medicine as safe, effective, or approved for treating any patient or health condition. This is only a brief summary of general information about Sabril. It does NOT include all information about the possible uses, directions, warnings, precautions, interactions, adverse effects, or risks that may apply to Sabril. This information is not specific medical advice and does not replace information you receive from your health care provider. You must talk with your healthcare provider for complete information about the risks and benefits of using Sabril.
Disclaimer: This information should not be used to decide whether or not to take this medicine or any other medicine. Only your health care provider has the knowledge and training to decide which medicines are right for you. This information does not endorse any medicine as safe, effective, or approved for treating any patient or health condition. This is only a brief summary of general information about this medicine. It does NOT include all information about the possible uses, directions, warnings, precautions, interactions, adverse effects, or risks that may apply to this medicine. This information is not specific medical advice and does not replace information you receive from your health care provider. You must talk with your healthcare provider for complete information about the risks and benefits of using this medicine.
More about Sabril (vigabatrin)
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- Drug class: gamma-aminobutyric acid analogs