How Does This Medication Work?
is a monoclonal antibody. Antibodies are proteins normally produced by the immune system that bind to harmful substances in the body, such as viruses and bacteria, and help the body fight them. Palivizumab binds to RSV
and stops the virus from reproducing.
Palivizumab is not a vaccine, and it does not prevent an RSV infection. Instead, it prevents an infection from becoming severe enough to cause serious problems. Each dose of palivizumab works against RSV for 28 to 30 days. Therefore, a shot is needed each month protection against RSV is needed.
Can Children Use Palivizumab?
Palivizumab is only approved for use in infants and young children. It has been studied in children 24 months of age and younger.
Is It Safe for Older Adults?
Palivizumab is not approved for use in adults. At this time, it is only approved for use in children at high risk for RSV complications.
Is Palivizumab Used for Off-Label Reasons?
On occasion, healthcare providers may recommend medications for something other than the approved uses. This is called an "off-label
" use. At this time, there are no well-accepted, off-label uses for palivizumab.