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Dilantin Kapseals

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Dilantin Kapseals

Dilantin® KAPSEALS®
(extended phenytoin sodium) Capsules, USP

DRUG DESCRIPTION

Phenytoin sodium is an antiepileptic drug. Phenytoin sodium is related to the barbiturates in chemical structure, but has a five-membered ring. The chemical name is sodium 5,5-diphenyl-2, 4-imidazolidinedione, having the following structural formula:

Dilantin (Phenytoin Sodium) structural formula illustration

Each Dilantin— Extended Phenytoin Sodium Capsule, USP—contains 30 mg phenytoin sodium, USP. Also contains lactose, NF; confectioner's sugar, NF; talc, USP; and magnesium stearate, NF. The capsule shell and band contain colloidal silicon dioxide, NF; FD&C red No. 3; gelatin, NF; glyceryl monooleate; sodium lauryl sulfate, NF, citric acid, USP; FD&C blue No. 1; sodium benzoate, NF; titanium dioxide, USP. Product in vivo performance is characterized by a slow and extended rate of absorption with peak blood concentrations expected in 4 to 12 hours as contrasted to Prompt Phenytoin Sodium Capsules, USP with a rapid rate of absorption with peak blood concentration expected in 1% to 3 hours.

Last reviewed on RxList: 5/19/2009
This monograph has been modified to include the generic and brand name in many instances.

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