Find & Manage Your Patient Assistance Programs
Estimated patient savings $600,000,000.00
Palivizumab intramusc.

Important Note

The following information is intended to supplement, not substitute for, the expertise and judgment of your physician, pharmacist or other healthcare professional. It should not be construed to indicate that use of the drug is safe, appropriate, or effective for you. Consult your healthcare professional before using this drug.





Palivizumab is a monoclonal antibody. It is used to prevent viral respiratory tract infections (RSV infection) in infants and young children at risk for infection. It works by preventing the growth of RSV.

How To Use

Give this medication directly into the muscle (IM), usually once a month during RSV season; or as directed by your doctor. For maximum benefit from this drug, keep all scheduled medical appointments and receive each prescribed dose of this medication during RSV season. In the northern hemisphere, RSV season generally runs from November through April. Follow all instructions for proper mixing and dilution with the correct IV fluids. Do not shake the vial. Ask your pharmacist if you have questions regarding the use of this medication. Before using, check this product visually for particles or discoloration. If either is present, do not use the liquid.

Side Effects

Pain, redness, or mild swelling of the injection site may occur. If any of these effects persist or worsen, contact your doctor or pharmacist promptly. Tell your doctor immediately if any of these unlikely but serious side effects occur: cough, chest pain, fever. An allergic reaction to this drug is unlikely, but seek immediate medical attention if it occurs. Symptoms of an allergic reaction include: rash, itching, swelling, dizziness, trouble breathing. If you notice other effects not listed above, contact your doctor or pharmacist.


Tell your doctor your medical history, especially of: blood clotting problems (e.g., thrombocytopenia, coagulation disorder), any allergies you may have. This medication should be used only when clearly needed during pregnancy. Discuss the risks and benefits with your doctor. It is not known if this medication passes into breast milk. Consult your doctor before breast-feeding.

Drug Interactions

Tell your doctor or pharmacist of all prescription and nonprescription drugs you may use, especially of: "blood thinners" (e.g., warfarin, heparins). Do not start or stop any medicine without doctor or pharmacist approval.


If overdose is suspected, contact your local poison control center or emergency room immediately.


Do not share this medication with others. Laboratory and/or medical tests may be performed to monitor for side effects and response to treatment.

Missed Dose

If you miss a dose, contact your doctor or pharmacist immediately to establish a new dosing schedule.


Refrigerate between 36 and 46 degrees F (2 to 8 degrees C) away from light and moisture. Do not freeze. After mixing in correct IV fluids (consult your pharmacist for details), use the injection within six hours. Discard any unused liquid.