Gefzest Tablet is an antineoplastic drug belonging to the tyrosine kinase inhibitors, containing the active ingredient Gefitinib. It is used to treat non-small cell lung cancer. Non-small cell lung cancer is a disorder in which cells multiply in an uncontrolled and abnormal manner in the tissues of the lung. It is used in patients where the NSCLC cancer has spread to other parts of the body, who have certain types of abnormal epidermal growth factor (EGFR) genes, and patients who have not received any cancer treatment.

Some formulations of this drug may contain lactose as an inactive ingredient, which the body is unable to digest. Lactose is a sugar found in milk and dairy products. It can cause symptoms such as bloating and abdominal pain. If you have lactose intolerance, inform your doctor before starting this therapy. Talk with your healthcare provider if you have kidney or liver disease, vision problems, lung problems, or taking any blood thinner like warfarin. Your healthcare provider will check regular blood tests to prevent complications. Avoid consuming alcohol as it may cause dizziness.

Consult your doctor before using this medication if you are pregnant or plan to have a baby. These tablets are unsafe to use during pregnancy as they cause harm to an unborn fetus. Your healthcare practitioner will conduct a pregnancy test before you start treatment with this tablet. Discuss with your doctor effective birth control methods and utilize them for at least two weeks following the last dose. Avoid breastfeeding your baby while on the treatment as it is unknown if this drug passes into the breast milk.

Non-small cell lung cancer.

It is an anilinoquinazoline derivative that interacts with a kinase inhibitor that inhibits an abnormal protein called the epidermal growth factor receptor (EGFR). This helps to slow or stop the growth of cancer cells and reduce the size of tumors in patients with NSCLC.

The medicine will be prescribed to you by a healthcare professional in a hospital setting. This drug is available as a tablet to be taken with or without food, as directed by your healthcare provider. The usual recommended dosage is 250 mg tablet once daily. Avoid crushing, opening, or dissolving the tablet. Swallow it whole with a glass of water. Take the Gefzest Tablet at the same time every day.

diarrhea

nausea

vomiting

loss of appetite

weakness

red or sore mouth

increased liver enzymes

itchy or cracked skin

dry mouth

red or itchy eyes

nail problems

hair loss

fever

blood in the urine and burning sensation while urinating

Inform your healthcare provider about all the medicines you take, including prescription medications, over-the-counter medications, nutritional or vitamin supplements, and herbal products. Certain medications may interact with Gefzest Tablet and reduce effectiveness by causing undesirable side effects.

Store Gefzest Tablet in the original package at room temperature (25°C).

Keep it out of reach from children.

If you have missed any dosing appointments, inform your doctor and schedule immediately.

Gefzest Tablet is not recommended for children and adolescents below 18. It is advisable to monitor your blood pressure regularly during this treatment. Avoid high-fiber foods and drink lots of fluids if you have severe diarrhea. Antacids should not be used two hours before or one hour after taking this tablet. Avoid driving and operating heavy machinery if you feel tired or weak during this treatment.