Gefitinib is the active ingredient in the drug formulation.It belongs to a class of medications called tyrosine kinase inhibitors.
Gefitinib is used to treat nonsmall cell lung cancer (NSCLC) in patients whose tumors have a specific genetic mutation called EGFR.
Geftibenz 250 Tablet (Gefitinib) works by blocking the activity of a protein called epidermal growth factor receptor (EGFR). This protein plays a role in the growth and spread of cancer cells. By inhibiting EGFR, gefitinib helps to slow or stop the growth of cancer cells.
Store gefitinib at room temperature, away from light and moisture. Keep it out of the reach of children and pets.
The dosage of gefitinib is determined by your doctor and will vary depending on your individual needs.
It is typically taken once daily by mouth with or without food.
Follow your doctor's instructions carefully.
Serious side effects can occur, including lung problems, liver problems, and heart problems.
Common side effects of gefitinib include diarrhea, rash, nausea, vomiting, and fatigue.
Avoid alcohol consumption while taking gefitinib.
Gefitinib can cause dizziness or drowsiness. Avoid driving or operating machinery until you know how this medication affects you.
Gefitinib can harm an unborn baby. It is not known if gefitinib passes into breast milk. Consult your doctor before taking gefitinib if you are pregnant, planning to become pregnant, or breastfeeding.
Gefitinib is not approved for use in children.
Gefitinib may be harmful to people with kidney problems. Consult your doctor before taking gefitinib if you have kidney problems.
Gefitinib may be harmful to people with liver problems. Consult your doctor before taking gefitinib if you have liver problems.
https://www.fda.gov/drugs/resources-information-approved-drugs/irinotecan-camptosar
https://www.cancer.gov/publications/dictionaries/cancer-terms/def/irinotecan
