mephenytoin-oral (cont.)
DRUG INTERACTIONS: Inform your doctor about all the medicine you use (both prescription and nonprescription) especially of blood thinners (warfarin), cimetidine, omeprazole, sucralfate, disulfiram, oral antifungal medication (azoles), xanthine drugs used for asthma (theophylline), isoniazid, folic acid, pyrimethamine, sulfa antibiotics, rifampin, trimethoprim, amiodarone, fluoxetine, anticancer drugs, valproic acid or divalproex, estrogens, disopyramide, levodopa, felodipine, primidone, felbamate, digoxin, narcotic pain medications (e.g., codeine). This drug may interfere with the effectiveness of birth control pills. Discuss using other methods of birth control with your doctor. Do not start or stop any medicine without doctor or pharmacist approval.
OVERDOSE: If overdose is suspected, contact your local poison control center or emergency room immediately. US residents can call the US national poison hotline at 1-800-222-1222. Canadian residents should call their local poison control center directly. Symptoms of overdose may include unusual eye movements, unsteadiness, nausea, dizziness, confusion, tremor, slurred speech, drowsiness, and loss of consciousness.
NOTES: It is recommended to wear or carry medication identification indicating you are taking this drug. Do not change from one brand of this product to another without consulting your doctor or pharmacist. Products made by different companies may not be equally effective.
MISSED DOSE: If you miss a dose, take as soon as remembered; do not take if it is almost time for the next dose, instead, skip the missed dose and resume your usual dosing schedule. Do not "double-up" the dose to catch up. Check with your doctor if 2 or more doses have been missed.
STORAGE: Store at room temperature away from sunlight and moisture.
MEDICAL ALERT: Your condition can cause complications in a medical emergency. For enrollment information call MedicAlert at 1-800-854-1166 (USA), or 1-800-668-1507 (Canada).
Last Editorial Review: 3/2/2005
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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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