Imalieva 400mg Tablet contains the active ingredient called Imatinib. It is an antineoplastic drug that belongs to the class of tyrosine kinase inhibitors. This tablet is used in treating adults and children with chronic myeloid leukemia (CML is a form of leukemia in which certain abnormal white blood cells start growing out of control) and Philadelphia chromosome-positive acute lymphoblastic leukemia (Ph-positive ALL). It is also used to treat myelodysplastic/myeloproliferative diseases (abnormal growth of blood cells), Hypereosinophilic syndrome and chronic eosinophilic leukemia (blood disease), gastrointestinal stromal tumors (stomach and bowel cancer) and dermatofibrosarcoma protuberans (cancer in the tissue beneath the skin). Do not take Imalieva 400mg Tablet if you are allergic to Imatinib or any other ingredients of this medicine. Before initiating the treatment, inform your physician if you have kidney, heart, or liver problems, if you have thyroid problems, or if your thyroid gland has been removed. Notify your doctor if you ever had or have a hepatitis B infection because this medicine could cause the hepatitis B to become active again. Report any bruising, bleeding, fever, fatigue, and confusion symptoms when taking this medicine. Consult your doctor if you are planning to get pregnant or think you may be pregnant or while you are breastfeeding.