Bortlieva 2mg Injection is a chemotherapeutic medication that belongs to the class of drugs called Proteasome inhibitors.  It contains the active compound BORTEZOMIB. It is used to treat multiple myeloma and mantle cell lymphoma.  This medication is concomitantly used with other chemotherapy medicines like pegylated liposomal doxorubicin, rituximab, cyclophosphamide, doxorubicin, dexamethasone, prednisolone or thalidomide for patients who have not started treatment and are unsuccessful or ineligible for blood stem cell transplant treatment. It is not recommended to take Bortlieva 2mg Injection if you are allergic to active compounds or any other ingredients of this medicine. It is not advised to take this medicine if you have a compromised immune system. If you have an active infection, let your doctor know before beginning any treatment.  It is not recommended to use Bortlieva 2mg Injection in children and adolescents. It is not recommended to use this medication in patients with hepatitis. Inform your doctor if you have gastrointestinal disorders, hepatic disorders, thrombocytopenia (low platelet count), neutropenia (low white blood cell count), tumor lysis syndrome (metabolic abnormalities that can occur as a complication during the treatment of cancer), neuropathy (nerve malfunction), cardiac disorders, severe lung problems, pulmonary disorders and posterior reversible encephalopathy syndrome disorders before beginning the treatment with this medication. You are advised to monitor blood counts and hepatic enzymes throughout the treatment period. The use of Bortlieva 2mg Injection during pregnancy and breastfeeding is not recommended and will be determined by the doctor only if absolutely necessary as it may cause harm to the developing fetus. It is recommended to use effective contraceptive methods during the therapy and 3 months after completion. Inform your doctor if you are pregnant or planning to get pregnant to know about effective contraceptive methods.  It is necessary to inform your physician about all the medicines, over the counter drugs, vitamin and herbal supplements you are taking before the start of therapy.