vigabatrin powder packets - oral (cont.)
PRECAUTIONS: Before taking vigabatrin, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies.This medication should not be used if you have certain medical conditions. Before using this medicine, consult your doctor or pharmacist if you have: certain eye problem (visual field defect).Tell your doctor if you have a history of: other eye problems (e.g., glaucoma, macular degeneration, optic nerve problem), mental/mood problems (e.g., depression, psychosis), kidney disease, liver disease.This drug may make you dizzy or drowsy or cause vision problems. Do not drive, use machinery, or do any activity that requires alertness or clear vision until you are sure you can perform such activities safely. Limit alcoholic beverages.MRI tests of the brain in infants have shown changes after they are given vigabatrin. It is not known if these changes are harmful. Consult your doctor for more details. If your infant is going to have an MRI test, notify testing personnel that your infant is using this medication.Kidney function declines as you grow older. This medication is removed by the kidneys. Therefore, elderly people may be at greater risk for side effects (e.g., confusion) while using this drug.During pregnancy, this medication should be used only when clearly needed. It may harm an unborn baby. If you become pregnant or think you may be pregnant, tell your doctor immediately. Talk with your doctor about effective forms of birth control.This medication passes into breast milk and could have undesirable effects on a nursing infant. Therefore, breast-feeding is not recommended while using this drug. Consult your doctor before breast-feeding.
DRUG INTERACTIONS: Your doctor or pharmacist may already be aware of any possible drug interactions and may be monitoring you for them. Do not start, stop, or change the dosage of any medicine before checking with your doctor or pharmacist first.This drug should not be used with the following medications because very serious interactions may occur: drugs that can harm the eye (retinotoxic drugs such as chloroquine, hydroxychloroquine, phenothiazines including thioridazine).If you are currently using any of these medications listed above, tell your doctor or pharmacist before starting vigabatrin.Before using this medication, tell your doctor or pharmacist of all prescription and nonprescription/herbal products you may use, especially of: phenytoin.Tell your doctor or pharmacist if you also take drugs that cause drowsiness such as: certain antihistamines (e.g., diphenhydramine), anti-seizure drugs (e.g., carbamazepine), medicine for sleep or anxiety (e.g., alprazolam, diazepam, zolpidem), muscle relaxants, narcotic pain relievers (e.g., codeine), psychiatric medicines (e.g., chlorpromazine, risperidone, amitriptyline, trazodone). Check the labels on all your medicines (e.g., cough-and-cold products) because they may contain ingredients that may cause drowsiness. Ask your pharmacist about using those products safely.This product can affect the results of certain lab tests (e.g., liver function tests), possibly causing false test results. Make sure laboratory personnel and all your doctors know you use this drug.This document does not contain all possible interactions. Therefore, before using this product, tell your doctor or pharmacist of all the products you use. Keep a list of all your medications with you, and share the list with your doctor and pharmacist.
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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