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What happens if I miss a dose (Zarontin)?

Take the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not take extra medicine to make up the missed dose.

What happens if I overdose (Zarontin)?

Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.

Overdose symptoms may include nausea, vomiting, extreme drowsiness, and weak or shallow breathing.

What should I avoid while taking ethosuximide (Zarontin)?

Do not drink alcohol. It can increase certain side effects of ethosuximide.

This medication may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be alert.

Avoid being near people who are sick or have infections. Tell your doctor at once if you develop signs of infection.

What other drugs will affect ethosuximide (Zarontin)?

Cold or allergy medicine, sedatives, narcotic pain medicine, sleeping pills, muscle relaxers, and medicine for depression or anxiety can add to sleepiness caused by ethosuximide. Tell your doctor if you regularly use any of these medicines, or any other seizure medication.

Before taking ethosuximide, tell your doctor about all other seizure medications you use, especially:

• phenobarbital (Solfoton);
• phenytoin (Dilantin); or
• valproic acid (Depakene, Stavzor).

This list is not complete and other drugs may interact with ethosuximide. Tell your doctor about all medications you use. This includes prescription, over-the-counter, vitamin, and herbal products. Do not start a new medication without telling your doctor.

Where can I get more information?

Your pharmacist can provide more information about ethosuximide.

Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.

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