What is Tysabri: Uses, Warnings & Interactions

How to take Tysabri

• Injection routeYour doctor will prescribe your dose and schedule. This medicine is given through a needle placed in a vein.

• Injection routeA nurse or other health provider will give you this medicine.

• This medicine must be injected slowly, so the needle will have to remain in place for about an hour.

• This medicine should come with a Medication Guide. Ask your pharmacist for a copy if you do not have one.

• Missed dose: Injection routeThis medicine needs to be given on a fixed schedule. If you miss a dose, call your doctor, home health caregiver, or treatment clinic for instructions.

• Missed dose:Injection routeThis medicine needs to be given on a fixed schedule. If you miss a dose, call your doctor, home health caregiver, or treatment clinic for instructions.

• This medicine should come with a Medication Guide. Ask your pharmacist for a copy if you do not have one.

• Injection routeYour doctor will prescribe your dose and schedule. This medicine is given through a needle placed in a vein.

• Missed dose: Injection routeThis medicine needs to be given on a fixed schedule. If you miss a dose, call your doctor, home health caregiver, or treatment clinic for instructions.

• Injection routeA nurse or other health provider will give you this medicine.

• Missed dose:Injection routeThis medicine needs to be given on a fixed schedule. If you miss a dose, call your doctor, home health caregiver, or treatment clinic for instructions.

• This medicine must be injected slowly, so the needle will have to remain in place for about an hour.

What to do if you miss a dose of Tysabri

Tysabri contraindications

• This medicine is not right for everyone. You should not receive it if you had an allergic reaction to natalizumab, or if you have had progressive multifocal leukoencephalopathy (PML).

Tysabri warnings

• Tell your doctor if you are pregnant or breastfeeding, or if you have kidney disease, liver disease, a fever, or any kind of infection (including herpes infection). Tell your doctor if you have a weak immune system (that may be caused by HIV/AIDS, cancer, or an organ transplant).

• This medicine may cause the following problems:Infections of the brain or nervous system, including PML, encephalitis, retinal necrosis, or meningitisLiver problems

• Make sure any doctor or dentist who treats you knows that you are using this medicine.

• You may need to have an MRI scan before you start receiving this medicine.

• This medicine may make you bleed, bruise, or get infections more easily. Take precautions to prevent illness and injury. Wash your hands often.

• Your doctor will do lab tests at regular visits to check on the effects of this medicine. Keep all appointments.

Tysabri interactions

• Some medicines can affect how natalizumab works. Tell your doctor if you are using medicine that weakens your immune system, including azathioprine, cyclophosphamide, cyclosporine, mercaptopurine, methotrexate, mitoxantrone, mycophenolate mofetil, or steroid medicine.

• This medicine may cause the following problems:Higher risk for infectionsInfections of the brain or nervous system, including PML, encephalitis, or meningitisLiver damage

• Your doctor will check your progress and the effects of this medicine at regular visits. Keep all appointments.

• Make sure any doctor or dentist who treats you knows that you are using this medicine.

• You may need to have an MRI scan before you start using this medicine.