Iressa Oral and Kristalose

• Generic Name: gefitinib
• Dosage Forms: tablet, coated
• Other Brand Names: Iressa

Gefitinib is used to treat metastatic (cancer that has already spread) non-small cell lung cancer in patients who have certain types of abnormal epidermal growth factor (EGFR) genes, and did not receive cancer medicines in the past. Your doctor will perform a test before you take this medicine.

Gefitinib belongs to the group of medicines called antineoplastics (cancer medicines). It works by interfering with the growth of cancer cells, which are eventually destroyed.

This medicine is available only with your doctor's prescription.

• Generic Name: lactulose
• Dosage Forms: powder, for solution
• Other Brand Names: Constulose, Kristalose, Duphalac, Enulose, Generlac, Chronulac, Cephulac, Constilac, Cholac, Evalose, Heptalac

Kristalose is a type of sugar. It is broken down in the large intestine into mild acids that draw water into the colon, which helps soften the stools.

Kristalose is used to treat chronic constipation.

Kristalose is sometimes used to treat or prevent certain conditions of the brain that are caused by liver failure, which can lead to confusion, problems with memory or thinking, behavior changes, tremors, feeling irritable, sleep problems, loss of coordination, and loss of consciousness.

Kristalose may also be used for purposes not listed in this medication guide.