Lapatinib (Tykerb) is a targeted drug used for the treatment of HER2-positive breast cancer, manufactured by Novartis. As a prescription medication, its purchase and use must strictly comply with medical regulations.

How to Purchase Lapatinib (Tykerb)

Overseas Purchase

Patients may choose to consult and purchase lapatinib at hospital pharmacies or authorized pharmacies in countries or regions where the drug has been launched.

Since drug prices may be affected by factors such as regional differences and exchange rate fluctuations, patients need to make a budget and plan in advance before purchasing.

Purchase through Medical Service Institutions

Patients may consult domestic overseas medical service institutions that cooperate with international pharmacies or pharmaceutical companies.

These institutions can usually provide legal import channels and offer professional consultation and guidance.

Precautions for Purchasing Lapatinib (Tykerb)

Strictly Follow Medical Guidance

Prescription Requirement: A prescription must be issued by a doctor after evaluation; the drug cannot be purchased or used without a prescription.

Dosage Specification: The standard dosage is 1250 mg (5 tablets) or 1500 mg (6 tablets) once daily, depending on the combined medication regimen.

Administration Time: The drug should be taken at least 1 hour before meals or 1 hour after meals, and must not be taken with food.

Precautions for Special Populations

Patients with Hepatic Impairment: Patients with severe hepatic impairment need to use a reduced dose.

Cardiac Function Monitoring: Regular cardiac function checks are required before and during treatment.

Contraindication in Pregnant Women: The drug may cause fetal harm; women of childbearing age need to take effective contraceptive measures.

Methods to Identify the Authenticity of Lapatinib (Tykerb)

Verification of Packaging Information

Approval Information: Authentic products should indicate FDA approval information, which can be verified through the official website.

Production Information: Check whether information such as the batch number and expiration date is complete.

Inspection of Drug Properties

Appearance: The 250 mg tablets are oval, biconvex, orange film-coated tablets, with "GSXJG" engraved on one side.

Packaging Labeling: The bottle label should contain complete drug information and usage instructions.

Confirmation of Storage Conditions

Authentic products should be stored at room temperature (20-25°C), protected from light and moisture.

The packaging bottle should be well-sealed without damage.