FDA label

What is Dilantin used for?

Dilantin contains phenytoin. The FDA-approved uses below are quoted from the Indications and Usage section of its DailyMed label.

Source: DailyMed SPL label file dated 2026-10-23. Publisher page

The FDA label says: “DILANTIN is indicated for the treatment of tonic-clonic (grand mal) and psychomotor (temporal lobe) seizures and prevention and treatment of seizures occurring during or following neurosurgery.”

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Dilantin, capsule, extended release

Indications and Usage, quoted from the label by Viatris Specialty LLC (ANDA084349). Cross-references to other label sections are left out.

DILANTIN is indicated for the treatment of tonic-clonic (grand mal) and psychomotor (temporal lobe) seizures and prevention and treatment of seizures occurring during or following neurosurgery.

Source: DailyMed label, set id 86dd27d1-9cee-48ae-b55d-e2d2f7dbc593, version 3, effective August 21, 2023. NDC 58151-110, one of 3 listings for this product.

Questions

What is Dilantin used for?

The FDA label says: “DILANTIN is indicated for the treatment of tonic-clonic (grand mal) and psychomotor (temporal lobe) seizures and prevention and treatment of seizures occurring during or following neurosurgery.”

What drug class is Dilantin?

FDA lists phenytoin in the Anti-epileptic Agent established pharmacologic class.

Does this page cover off-label uses or dosing?

No. This page shows only the Indications and Usage section of the FDA label. Ask a pharmacist or prescriber about dosing.

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