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Get Dilantin for as low as $63.00, which is 69% off the average retail price of $202.01 for the most common version, by using a GoodRx coupon.

| Dosage | Quantity | Retail price | GoodRx price |
|---|
| 30mg | 60 capsules | $124.40 | $36.00 |
| 100mg | 90 capsules | $210.64 | $63.00 |
| 50mg | 30 chewable tablets | $68.14 | $19.20 |
| 125mg/ 5ml | 473 ml | $574.57 | $160.82 |
GoodRx coupon prices last updated on 05/01/26.