Tysabri (Natalizumab Vials) 300mg

Tysabri (natalizumab) 300mg vials are prescribed for relapsing forms of multiple sclerosis and Crohn's disease. Store between 2-8°C to maintain potency. This biologic therapy targets inflammation pathways in autoimmune conditions.

Strength

300mg

Pack Size

Storage

2-8°

Manufacturer / TM Owner

Biogen Idec Denmark

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Indications & Clinical Uses

Natalizumab is used to reduce flare-ups and slow disability progression in relapsing multiple sclerosis. It is also prescribed for moderate to severe Crohn's disease when other treatments have not worked well. Patients often ask what is natalizumab used for, and it is primarily indicated for these autoimmune conditions.

Side Effects

Many patients report fewer relapses and improved daily function after starting natalizumab. Some experience reduced inflammation markers over time. The medication works gradually, with noticeable effects typically appearing after several doses.

Precautions & Warnings

Keep natalizumab vials refrigerated between 2-8°C and protect from light. Do not freeze or shake the vial. Always check the solution for particles or discoloration before use. Discard any unused portion as directed by healthcare guidelines.

Avoid Interactions

Natalizumab may interact with immunosuppressants or other biologics, increasing infection risk. Avoid live vaccines during treatment due to reduced immune response. Discuss all current medications with your healthcare provider before starting natalizumab.

References

Frequently Asked Questions

Natalizumab is prescribed for relapsing multiple sclerosis and Crohn's disease when other treatments are ineffective.

It is given as an intravenous infusion by a healthcare professional, typically once every 4 weeks.

No, natalizumab must be refrigerated between 2-8°C and protected from light.

Common effects may include headache, fatigue, or infusion-related reactions.

Yes, natalizumab is a biologic therapy that targets specific immune pathways.

Published by GNH India Pharmaceuticals Limited

Last updated: 17 Jun 2026

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