Generic name:natalizumab [ nat-ta-LIZ-yoo-mab ]
Drug class:Selective immunosuppressants
What is Tysabri?
Tysabri is a monoclonal antibody that affects the actions of the body's immune system. Monoclonal antibodies are made to target and destroy only certain cells in the body. This may help to protect healthy cells from damage.
Tysabri is used to treat relapsing forms of multiple sclerosis in adults (including clinically isolated syndrome, relapsing-remitting disease, and active secondary progressive disease).
Tysabri is also used to treat moderate to severe Crohn's disease in adults. It is usually given after other medicines did not work or have stopped working.
Warnings
Tysabri may cause a serious brain infection that can lead to disability or death, especially if you use natalizumab longer than 2 years, if you've used an immunosuppressant drug before, or if you've been infected with John Cunningham Virus (JCV). Call your doctor right away if you have a sudden fever, severe headache, confusion, memory problems, vision changes, eye pain, weakness on one side of your body, or problems with using your arms or legs. These symptoms may start gradually and get worse quickly.
Call your doctor right away if you have any change in your mental state, decreased vision, weakness on one side of your body, or problems with speech or walking. These symptoms may start gradually and get worse quickly.
Call your doctor at once if you develop any symptoms of liver damage, such as nausea, upper stomach pain, itching, loss of appetite, dark urine, clay-colored stools, or jaundice (yellowing of the skin or eyes).
You should also call your doctor right away if you develop any signs of infection such as fever, chills, sore throat, c...