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Inform patients of the availability of a Medication Guide, and instruct them to read the Medication Guide prior to taking Celontin (methsuximide) . Instruct patients to take Celontin only as prescribed.
Methsuximide may impair the mental and/or physical abilities required for the performance of potentially hazardous tasks, such as driving a motor vehicle or other such activity requiring alertness; therefore, the patient should be cautioned accordingly. Patients taking methsuximide should be advised of the importance of adhering strictly to the prescribed dosage regimen.
Patients should be instructed to promptly contact their physician if they develop signs and/or symptoms suggesting an infection (eg, sore throat, fever).
ADVICE TO THE PHARMACIST AND PATIENT: Since methsuximide has a relatively low melting temperature (124° F), storage conditions which may promote high temperatures (closed cars, delivery vans, or storage near steam pipes) should be avoided. Do not dispense or use capsules that are not full or in which contents have melted. Effectiveness may be reduced. Protect from excessive heat (104° F).
Patients, their caregivers, and families should be counseled that AEDs, including Celontin (methsuximide) , may increase the risk of suicidal thoughts and behavior and should be advised of the need to be alert for the emergence or worsening of symptoms of depression, any unusual changes in mood or behavior, or the emergence of suicidal thoughts, behavior, or thoughts about self-harm. Behaviors of concern should be reported immediately to healthcare providers.
Patients should be encouraged to enroll in the North American Antiepileptic Drug (NAAED) Pregnancy Registry if they become pregnant. This registry is collecting information about the safety of antiepileptic drugs during pregnancy. To enroll, patients can call the toll free number 1-888-233-2334 (see PRECAUTIONS: Pregnancy section).
Last reviewed on RxList: 11/4/2010
This monograph has been modified to include the generic and brand name in many instances.
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