Medications and Drugs

GENERIC NAME: PEGINTERFERON ALFA 2A - INJECTABLE (peg-in-ter-FEER-on alfa)

BRAND NAME(S): Pegasys

Warning | Medication Uses | How To Use | Side Effects | Precautions | Drug Interactions | Overdose | Notes | Missed Dose | Storage | Medical Alert

WARNING: This medication may cause or worsen some serious medical conditions including psychiatric conditions (e.g., depression), immune disorders (autoimmune conditions such as rheumatoid arthritis or lupus), circulation problems (e.g., cardiovascular disease), or infections (bone marrow suppression). Seek immediate medical attention if you develop any serious symptoms or side effects (see Side Effects section). These conditions occur infrequently, but some may be fatal. This medicine is frequently combined with ribavirin. Ribavirin may cause fetal harm or death. Women must avoid pregnancy while using ribavirin, or if their male partner is using it. Ribavirin may cause a blood disorder (hemolytic anemia), which can worsen heart disease. Ribavirin is a potential cancer-causing agent.

USES: Peginterferon alfa-2a is used alone or in combination with ribavirin to treat chronic hepatitis C, a viral infection of the liver. This medication reduces the amount of hepatitis C virus in the body and helps the body's immune system fight the infection.

HOW TO USE: Read the Medication Guide provided by your pharmacist. If you have any questions regarding the information, ask your doctor or pharmacist. Learn all preparation and usage instructions in the Medication Guide. If any of the information is unclear, consult your doctor or pharmacist. Inject this medication under the skin (subcutaneously) on your stomach or thigh, once weekly or as directed by your doctor. The dose should be given at about the same time on the same day each week. The dosage is based on your medical condition and response to therapy. Drink plenty of fluids while you are taking this medication, unless your doctor directs you otherwise. Additional administration guidelines may be available in the Medication Guide. Before using, check this product visually for particles or discoloration. If either is present, do not use the liquid. Do not shake this medication. Doing so may decrease the effectiveness of this medication. Learn how to store and discard needles and medical supplies safely. Consult your pharmacist.