Gefitinib is an epidermal growth factor receptor tyrosine kinase inhibitor (EGFR-TKI) that selectively inhibits the tyrosine kinase activity of EGFR, blocking signaling pathways related to tumor cell proliferation, survival, and metastasis.

1、 Drug name:

Common name: Gefitinib

2、 Indications:

Gefitinib is commonly used to treat non-small cell lung cancer (NSCLC), especially locally advanced or metastatic non-small cell lung cancer with epidermal growth factor receptor (EGFR) gene sensitive mutations.

3、 Specifications and characteristics:

Specification: 250mg tablets

4、 Main components:

The main ingredient is gefitinib.

5、 Usage and dosage:

But the recommended dosage is usually oral, once a day, one tablet per time (250mg), which can be taken with or without food.

6、 Medication precautions:

Before and after meals: take gefitinib with or without food.

Missed dose: If missed once, it should be taken as soon as possible when remembered, unless it is close to the next dose time. At this time, the missed dose should be skipped and the next dose should be taken at the regular time.

Vomiting: If vomiting occurs after taking medication, there is no need to take the next dose as usual.

7、 Adverse reactions:

Common adverse reactions may include rash, diarrhea, nausea, vomiting, liver dysfunction, etc.

8、 Contraindications:

It is usually contraindicated for patients who are allergic to gefitinib or any of its ingredients.

9、 Drug interactions:

The dosage of gefitinib may need to be adjusted when using other drugs, especially CYP3A4 inducers or inhibitors.

10、 Storage method:

Medicines should be stored in a dry, cool, and dark place, away from children.

Gefitinibinformation