(Phenytoin Sodium Extended)

Dilantin (generic name is Phenytoin) is used to control certain types of seizures, and it is also used to prevent seizures during or after surgery on the brain or nervous system. Dilantin is a brand name drug, but its prices are comparable to the generic version, Phenytoin. However, Dilantin prices can add up if you are paying out-of-pocket for your medication. You can save on your Dilantin cost if your insurance does not cover this drug by using a free coupon from our site. Just enter your zip code, dosage, and quantity, and then click ‘See My Savings.’ Browse the list of nearby pharmacies that accept our Dilantin coupon and their estimated prices for this drug with the discount included. Then, print or download your coupon for Dilantin and bring it to one of the pharmacies on the list to save on the cost of your medication. Our coupons do not expire, so you can use your Dilantin coupon card to save each time you fill your prescription.

Dilantin is used to control certain types of seizures, and it is also used to prevent seizures during or after surgery on the brain or nervous system.

Dilantin is classified as an anti-epileptic drug, or an anticonvulsant, and it works by slowing down activity in the brain that causes seizures.

The recommended dose for the control of certain types of seizures is 100 mg of Dilantin extended-release capsule, 3 times per day.

Consult with your doctor for specific dosage and use information for this drug for the treatment of your condition.

Contact your doctor if you experience any of these symptoms and they persist or are severe:

insomnia, uncontrollable eye movements, shaking or tremors, loss of coordination, confusion, slowed thinking, slurred speech, headache or dizziness, nausea or vomiting, constipation, unwanted hair growth, coarsening of facial features, enlargement of lips, and overgrowth of gums.


Contact your doctor immediately if you experience any of the following serious symptoms: swollen glands, fever, blisters, or rash, joint pain, yellowing of the skin or eyes, pain in the upper right part of the stomach, excessive tiredness, unusual bruising or bleeding, loss of appetite, and flu-like symptoms.

location pin icon  Set your location   to see prices near you
for dilantin ,    
  • Edit

Searching, please wait . . .

How Optum Perks Prescription Coupons Work

search icon


Search our database to find the
best discounts on thousands of
prescription drugs.
location pin icon


Locate pharmacies nearby so you
always get the best deal where it’s
convenient for you.
money symbol icon


Print, email or text your coupon card
and present it to your pharmacist to
receive your Rx discount.
Rx Coupons accepted at these and other pharmacies

Additional things to know

image of hot air baloon and clouds

Use your Optum Perks discount card at pharmacies nationwide, from the large chains to small independent pharmacies.

There is no program or membership to enroll in. Once you receive your card, just show it to your pharmacist and start saving on your prescription medications.

Our card is not insurance, we simply provide discounts on prescriptions. Since pricing is an ongoing negotiation, please bring both your insurance card and Optum Perks coupon to your pharmacist to see which provides a more cost-effective option for you.

No. We merely provide discounts through coupons for prescriptions. Any purchases through Optum Perks will not count toward an insurance deductible.