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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.


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This medication is used to prevent lung infection caused by a virus (RSV) in infants and children at risk.

How To Use

This medication is administered by vein (IV), once a month during RSV season (generally November through April). Do not shake vial. Avoid foaming of the liquid. The dose is based on weight. Follow all instructions for proper administration. Consult your pharmacist. Check visually for particles or discoloration before use. If present, do not use the liquid.

Side Effects

Fever, nausea/vomiting, and pain/redness at the injection site may occur. If these effects persist or worsen, notify your doctor. Unlikely but report promptly: fast or irregular pulse, swelling, abdominal pain, diarrhea, flushing, muscle/joint pain. Very unlikely but report promptly: changes in skin appearance, severe headache, unusual drowsiness, change in the amount of urine, eye pain, vision changes, muscle stiffness. In the unlikely event you have an allergic reaction to this drug, seek immediate medical attention. 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, including: allergies, immune system problems (such as IgA deficiency), swelling (fluid retention/edema), heart disease, kidney disease, lung disease. Though highly unlikely to occur, because this product is made from human plasma, it is possible it may contain substances that could cause infections. Notify your doctor immediately if you develop early signs of an infection such as persistent sore throat or fever, yellowing eyes or skin, or dark urine. This medication should be used only when clearly needed during pregnancy. Discuss the risks and benefits with your doctor. It is not known whether this drug is excreted into breast milk. Consult your doctor before breast-feeding.

Drug Interactions

Tell your doctor of all nonprescription and prescription medication you may use, especially of: vaccines (live virus type). 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. Symptoms of overdose may include swelling.


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

Missed Dose

If the dose is missed, contact your doctor immediately to establish a new dosing schedule.


Store in a refrigerator between 35.6 and 46.4 degrees F (2 - 8 degrees C) away from light and moisture. Do not freeze. After puncturing the vial, begin administration of the product within 6 hours and complete administration within 12 hours. Discard any unused portion of the vial.

Medical Alert

Your condition can cause complications in a medical emergency. For enrollment information call MedicAlert at 1-800-854-1166 (USA), or 1-800-668-1507 (Canada).