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natalizumab - injection, Tysabri (cont.)

PRECAUTIONS: Before using this medication, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.This medication should not be used if you have ever had a certain medical condition. Before using this medicine, consult your doctor or pharmacist if you have ever had: a certain virus infection (progressive multifocal leukoencephalopathy-PML).Before using this medication, tell your doctor or pharmacist your medical history, especially of: weakened immune system (such as leukemia, lymphoma, HIV infection, organ transplant), current infections, history of certain virus infections that keep coming back (such as herpes, shingles), mental/mood disorders (such as depression).During pregnancy, this medication should be used only when clearly needed. Discuss the risks and benefits with your doctor.It is not known if this drug passes into breast milk. Because of the possible risk to the infant, breast-feeding is not recommended while using this drug. Consult your doctor before breast-feeding.

DRUG INTERACTIONS: Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions. Keep a list of all the products you use (including prescription/nonprescription drugs and herbal products) and share it with your doctor and pharmacist. Do not start, stop, or change the dosage of any medicines without your doctor's approval.Some products that may interact with this drug include: past or current use of other drugs that weaken the immune system/increase the risk of infection (such as azathioprine, cyclosporine, 6-mercaptopurine, methotrexate, TNF blockers such as adalimumab, etanercept, infliximab), other drugs that affect the immune system (immunomodulators such as interferon beta), long-term use of corticosteroids (such as dexamethasone, prednisone).

Medically Reviewed by a Doctor on 4/16/2014


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