primidone-oral (cont.)
DRUG INTERACTIONS: Tell your doctor of all other medications you may use (both prescription and nonprescription), especially of: other seizure medications, steroids, warfarin, digoxin, griseofulvin, disulfiram, medication for depression, doxycycline, cyclosporine. Tell your doctor if you are taking any drugs that may add to primidone's drowsiness effects such as: narcotic pain medicines (e.g., codeine), muscle relaxants, alcoholic beverages, certain antihistamines (e.g., diphenhydramine). Primidone can decrease the effectiveness of birth-control pills. Consult your doctor about using other methods of birth control. 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 confusion, uncontrolled eye movement, and trouble breathing.
NOTES: Do not allow anyone else to take this medication. Lab tests may be done, especially in the first few months, to check if the drug is working properly.
MISSED DOSE: If you miss a dose, take as soon as remembered unless it is within 1 hour of your next dose. If so, skip the missed dose and resume your usual dosing schedule. Do not double the dose to catch up.
STORAGE: Store at room temperature between 59 and 86 degrees F (between 15 and 30 degrees C) away from moisture and sunlight. Do not store in the bathroom. Do not freeze liquid forms.
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
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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