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Get Lapatinib for as low as $1,582.00, which is 78% off the average retail price of $7,300.15 for the most common version, by using a GoodRx coupon.
Lapatinib is a specialty medication, which can cost more than standard prescriptions and involve a few extra steps. We'll help you understand what to expect.

| Dosage | Quantity | Retail price | GoodRx price |
|---|
| 250mg | 120 tablets | $7,309.18 | $1,582.00 |
GoodRx coupon prices last updated on 03/13/26.