Gefitinib is sold under the trade name iressa. Gefitinib is used to treat lung cancer and sold under the trade name Iressa. Gefitinib blocks the mutant protein that exists in cancerous cells and epidermal growth factor receptors. There are various other tablets taken with Gefitinib. You can take warfarin to prevent blood clots. Take Gefitinib 250 mg tablet every day once a day with or without food. Before purchasing the tablet, you should carry a valid prescription. Do not accept the medicine if the seal is broken. Avoid taking Gefitinib medicine if the person is pregnant. Gefitinib 250 mg tablets price in India are affordable and can be purchased from WHO-GDP certified pharmacy/supplier.