Dilantin
Generic Phenytoin · capsule · Rx required · Anticonvulsant for seizures.
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The lowest verified cash price for Dilantin 100 mg is $5.00 at Amazon Pharmacy RxPass, based on 6 verified pharmacy prices checked August 24, 2026.
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Enter your ZIP to check real pharmacy prices in your area with the free BetterBuy Rx discount card. No ZIP? The national price is in the results above.
How much does Dilantin cost without insurance?
The lowest verified cash price for Dilantin 100 mg is $5.00 at Amazon Pharmacy RxPass, based on 6 verified pharmacy prices checked August 24, 2026. Across 6 verified pharmacy prices, cash costs range from $5.00 to $64.00. These are cash prices, no insurance or signup is required, and for many generics the cash price beats a typical insurance copay. Prices vary by pharmacy, location, quantity, and eligibility; confirm the final price at the counter.
About Dilantin
Dilantin is a brand of Phenytoin, a neurology medication supplied as capsule in a 100 mg strength. It is commonly used for anticonvulsant for seizures.
Ways to save on Dilantin
Cash prices for Dilantin vary by pharmacy, location, quantity, and eligibility, so comparing a few pharmacies and checking whether a discount card beats your copay are the main ways to save. See the live prices above before you fill.
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Frequently asked questions
How much does Dilantin cost without insurance?
The lowest verified cash price for Dilantin 100 mg is $5.00 at Amazon Pharmacy RxPass, based on 6 verified pharmacy prices checked August 24, 2026. These are cash prices, no insurance or signup needed, and refresh at least every 72 hours.
Is generic Phenytoin the same as Dilantin?
Yes. The FDA requires generics to contain the same active ingredient at the same strength as the brand. Inactive ingredients (binders, dyes) may differ.
How much can I save by choosing the generic?
Currently no FDA-approved generic equivalent exists for Dilantin, so the brand and generic prices are similar.
Do I need insurance to get this price?
No. The prices shown on BetterBuyRx are cash prices. Often these beat insurance copays for generics.
How often is this price updated?
At minimum every 72 hours. Many sources refresh every few hours.
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Important safety information
Antiepileptic drug safety warning
Antiepileptic drugs (AEDs), including this medication, increase the risk of suicidal thoughts or behavior in patients taking them for any indication, not just epilepsy. Anyone starting or already taking an AED should be monitored for new or worsening depression, suicidal thoughts or behavior, or any unusual changes in mood. Contact your prescriber right away, or call or text 988 (Suicide & Crisis Lifeline), if these occur. Do not stop an AED abruptly without medical guidance, sudden discontinuation can trigger withdrawal seizures.
Narrow-therapeutic-index medication
This is a narrow-therapeutic-index medication. Do not switch between brand and generic manufacturers without close monitoring by your prescriber. Small differences in absorption can cause treatment failure or toxicity.
Information for general comparison only. Not medical advice. Confirm with your pharmacist.