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Paramethadione oral

Important Note

The following information is intended to supplement, not substitute for, the expertise and judgment of your physician, pharmacist or other healthcare professional. It should not be construed to indicate that use of the drug is safe, appropriate, or effective for you. Consult your healthcare professional before using this drug.





This medication is used to treat seizure disorders.

How To Use

Take with food or milk if stomach upset occurs. Take this medication as prescribed. Do not stop taking this drug suddenly without consulting your doctor as seizures may occur. It is important to take all doses on time to keep the level of medication in your blood constant. Take doses at evenly spaced intervals throughout the day and night. While taking this medication, lab tests may be done, especially in the first few months, to check if the drug is working properly.

Side Effects

May cause drowsiness. Use caution performing tasks that require alertness. Other side effects include stomach upset, loss of appetite, headache, irritability or fatigue. These effects should subside as your body adjusts to the medication. Notify your doctor if you develop: seizures, blurred vision, fever, sore throat, unusual bleeding or bruising, clumsiness, skin rash. If you notice other effects not listed above, contact your doctor or pharmacist.


Tell your doctor if you have: liver problems, kidney problems, eye disorders, blood disorders, any allergies. This medication may increase your sensitivity to the sun. Avoid prolonged sun exposure. Wear a sunscreen and protective clothing when outdoors. Paramethadione is not recommended for use during pregnancy. Consult your doctor before using this medication. It is not known if this medication appears in breast milk. Consult your doctor before breast-feeding.

Drug Interactions

Tell your doctor of any over-the-counter or prescription medication you may take. While taking this drug, use of alcohol and other sedative type medications can lead to extreme drowsiness. Do not start or stop any medicine without doctor or pharmacist approval.


If overdose is suspected, contact your local poison control center or emergency room immediately. Symptoms of overdose may include drowsiness, nausea, dizziness, loss of coordination, and loss of consciousness.


It is recommended to wear or carry medication identification indicating you are taking this drug.

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.


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).