Important Information for Your Healthcare ProviderTalk with your healthcare provider prior to receiving this medication if you have:
- Liver disease, such as hepatitis, cirrhosis, or liver failure
- A weakened immune system due to human immunodeficiency virus (HIV), acquired immunodeficiency syndrome (AIDS), leukemia, lymphoma, or any other cause
- A fever or infection (including long-lasting infections, such as shingles)
- A history of progressive multifocal leukoencephalopathy (PML), a rare infection of the brain
- Had an organ transplant
- Any allergies, including to foods, dyes, or preservatives.
Also, let your healthcare provider know if you are:
- Pregnant or thinking of becoming pregnant (see Tysabri and Pregnancy)
- Breastfeeding (see Tysabri and Breastfeeding).
Make sure to tell your healthcare provider about all other medications you are taking, including prescription and nonprescription medicines, vitamins, and herbal supplements.
(Click Precautions and Warnings With Natalizumab to learn more, including information on who should not receive the drug.)
Dosing Information for NatalizumabThere is only one standard dose of this medication, regardless of your age or weight. As is always the case, do not adjust your dosage unless your healthcare provider specifically tells you to do so.
(Click Natalizumab Dosage for more information.)