Natalizumab Intravenous and Renagel

• Generic Name: natalizumab
• Dosage Forms: n.a.
• Other Brand Names: Tysabri

Natalizumab injection is used to treat patients with relapsing forms of multiple sclerosis (MS). Natalizumab will not cure MS, but it may slow some of the disabling effects and decrease the number of flare-ups (relapses) of the disease.

Natalizumab injection is also used to treat moderate to severely active Crohn's disease (CD) when other medicines or treatments did not work well. Natalizumab will not cure CD, but may prevent it from occurring again.

Natalizumab is available only under a restricted distribution program called the TOUCH® Prescribing program.

• Generic Name: sevelamer
• Dosage Forms: tablet
• Other Brand Names: Renagel, Renvela

Renagel (sevelamer) is a phosphate binder. Sevelamer helps prevent hypocalcemia (low levels of calcium in the body) caused by elevated phosphorus.

Renagel is used to control phosphorus levels in people with chronic kidney disease who are on dialysis.

Renagel may also be used for purposes not listed in this medication guide.