Medications and Drugs
Brand Names: Neumega
Generic Name: oprelvekin (injectable) (Pronunciation: oh PERL ve kin)
What is oprelvekin (Neumega)?
Oprelvekin is a protein that stimulates production of platelets in the blood. Platelets are important for proper clotting of the blood and for wound healing.
Oprelvekin is used to prevent platelets from becoming dangerously low in certain people receiving chemotherapy that can result in bone marrow suppression or the need for blood platelet transfusions.
Oprelvekin may also be used for other purposes not listed in this medication guide.
What are the possible side effects of oprelvekin (Neumega)?
Stop using oprelvekin and call your doctor at once if you have any of these serious side effects:
Less serious side effects may include:
This is not a complete list of side effects and others may occur. Tell your doctor about any unusual or bothersome side effect. You may report side effects to FDA at 1-800-FDA-1088.
What is the most important information I should know about oprelvekin (Neumega)?
Before using this medication, tell your doctor if you are allergic to any drugs, or if you have congestive heart failure, kidney disease, a heart rhythm disorder, a seizure disorder, or a history of heart disease, stroke, or fluid retention around your liver, heart, or lungs.
Other serious side effects of oprelvekin include swelling or rapid weight gain, chest pain, uneven heartbeats, sudden numbness or weakness, confusion, problems with speech or balance, and sudden vision loss or pain behind your eyes. Call your doctor at once if you have any of these side effects.
Treatment with oprelvekin is usually started 6 to 24 hours after chemotherapy is completed. Your blood will then need to be tested on a regular basis. Do not miss any scheduled appointments.
It may take up to 21 days of using this medicine before your platelets increase. For best results, keep using the medication as directed.
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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