Match the strength and how many to your prescription label.
How to pay the least
Lowest price
$12.35 for 30 capsules delivered: $7.10 plus $5.25 shipping
Generic phenytoin ER 100 mg from Cost Plus Drugs, by mail
- Make a free account on costplusdrugs.com, and ask your prescriber to send the prescription there. Already sent to a pharmacy? Cost Plus Drugs can ask that pharmacy to transfer it.Open Cost Plus Drugs
- Order generic phenytoin ER 100 mg: $7.10 for 30 capsules, plus $5.25 shipping. It comes by mail.
Need it today? $17.53 for 30 capsules with the free Team Cuban Card, at pharmacies that take it. Get the free card, then show it at a pharmacy that takes it.
See the price and get the cardEvery company’s phenytoin ER is rated by the FDA to work the same, so any pharmacy can fill your prescription with the one it stocks.
Regular genericWhere to buy it
Pharmacies’ own cash prices for generic phenytoin, lowest first. Any of them can fill your prescription.
Pick up in storeDelivered
- Delivered: Rx Outreach $20for 180 capsules100 mgFree delivery
- Delivered: Marley Drug $37for a 6-month supplyNot every strength is on its listup to 1 pill a day · 12-month supply: $70Shipping included
- Delivered: Cost Plus Drugs $7.10for 30 capsules100 mgPlus $5.25 shipping
- Pick up in store: Team Cuban Card $17.53for 30 capsules100 mgFree card · Kroger, Albertsons, Safeway, Meijer and many local pharmaciesFind a pharmacy that takes it
From each pharmacy’s own site, read October 5, 2026. Confirm the price before you fill. Prices change, can differ by store and state, and may depend on the strength and how many you take. With insurance, ask what your plan charges; it can be less.
Regular genericWho makes it
3 companies sell phenytoin in this form, each one rated by the FDA as a substitute for the others. A pharmacy fills whichever one it stocks. To get a certain maker, ask for it by name; most pharmacies can order it in a day or two.
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Aurobindo PharmaCapsule 100 mg
Packages and NDCs
100 mg
Package NDC Bottle of 100 65862-692-01 Carton of 100 65862-692-78 Bottle of 1000 65862-692-99 -
Sun Pharmaceutical IndustriesER capsule 100 mg
Made by Taro Pharmaceutical Industries
Packages and NDCs
100 mg
Package NDC Bottle of 30 51672-4111-6 Bottle of 100 51672-4111-1 Bottle of 1000 51672-4111-3 -
Viatris SpecialtyER capsule 100 mg
Sold as Dilantin
Packages and NDCs
100 mg
Package NDC Bottle of 100 58151-110-01 Carton of 100 58151-110-88 Bottle of 1000 58151-110-10
Who sells it: FDA and Medicaid records, updated weekly. Each maker’s page, card and program is from its own site.
What to say at the pharmacy
“Before you fill it, what would I pay for generic phenytoin?”
Paying cash? Ask for the cash price. With insurance, ask what your plan charges.
Good to know
- Different companies’ phenytoin can look different. The FDA requires each to work the same way.
- Don’t stop or change a medicine without talking to your pharmacist or prescriber.