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Lapatinib

Lapatinib Dosage

Lauren Morton, PharmD, BCPSCydnee Ng, PharmD
Reviewed by Lauren Morton, PharmD, BCPS, Cydnee Ng, PharmD
Last reviewed on December 13, 2022

The average cost for 120 tablets of 250mg of Lapatinib is $1,579.67 with a free GoodRx coupon. This is 78.12% off the average retail price of $7,218.88.

tabletTablet

Dosage

Quantity

Price as low as

Price per unit

250mg

120 tablets

$1,579.67

$13.16

Typical dosage for Lapatinib

Each tablet contains 250 mg of lapatinib.

  • HER2-positive metastatic breast cancer: The typical dose is 5 tablets (total of 1,250 mg of lapatinib) taken by mouth at one time every day.

  • HR-positive, HER2-positive metastatic breast cancer: The typical dose is 6 tablets (total of 1,500 mg of lapatinib) taken by mouth at one time every day.

Your dose might be different if you have liver problems.

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