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What happens if I miss a dose (Celontin)?

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 (Celontin)?

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

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

What should I avoid while taking methsuximide (Celontin)?

Methsuximide can cause side effects that may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be awake and alert.

Drinking alcohol can increase certain drowsiness or dizziness caused by methsuximide.

What other drugs will affect methsuximide (Celontin)?

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

Tell your doctor about all other seizure medication you use, especially:

• phenobarbital (Luminal, Solfoton); or
• phenytoin (Dilantin).

This list is not complete and other drugs may interact with methsuximide. 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 methsuximide.

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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