You may report side effects to the FDA at (800) FDA-1088 or www.fda.gov/medwatch.
You may also report side effects to Genentech at (888) 835-2555.
What is PEGASYS?
PEGASYS® (peginterferon alfa-2a) is a prescription medication that is:
It is not known if PEGASYS is safe and will work in children under 5 years of age.
PEGASYS, like other alpha interferons, may cause or make fatal or life-threatening problems worse (like mental, immune system, heart, liver, lung, intestinal and infections). A patient’s doctor should monitor the patient during regular visits. If patients show signs or symptoms of these conditions, their doctor may stop their medication. In many patients, but not all, these conditions get better after they stop taking PEGASYS (see the Medication Guide for more information and Warnings).
The most important information I should know about PEGASYS is:
PEGASYS alone or in combination with ribavirin can cause serious side effects. Some of these side effects may cause death. Patients must tell their healthcare provider right away if they have any of these symptoms while taking PEGASYS.
Patients must not take PEGASYS if they:
Patients must not take PEGASYS in combination with ribavirin if they:
PEGASYS cannot be given to a baby under 1 year of age. PEGASYS contains benzyl alcohol.
Before taking PEGASYS, patients must tell their healthcare provider about all their medical conditions or problems, and if they are pregnant or breastfeeding, or plan to become pregnant or breast feed during treatment with PEGASYS.
Patients must tell their healthcare provider about all the prescription and non-prescription medicines, vitamins and herbal supplements they take.
PEGASYS can cause serious side effects including: blood problems, thyroid problems, blood sugar problems, serious eye problems, serious liver problems, worsening of liver problems including liver failure and death, lung problems, inflammation of the pancreas, inflammation of the intestines, serious allergic reactions and skin reactions, effect on growth in children, and nerve problems.
The most common, but less serious, side effects of PEGASYS include: flu-like symptoms, tiredness and weakness, stomach problems, loss of appetite, skin reactions, hair thinning, trouble sleeping.
Patients must tell their healthcare provider if they have any side effect that bothers them or that does not go away.
Report side effects to the FDA at (800) FDA-1088 or www.fda.gov/medwatch.
Patients and caregivers may also report side effects to Genentech at (888) 835-2555.
Please see the PEGASYS full Prescribing Information and Medication Guide, including Boxed WARNINGS, for additional Important Safety Information.