Peginterferon Beta-1A: Side Effects, Uses & Monitoring
PLEGRIDY is indicated for the treatment of relapsing forms of multiple sclerosis (MS), to include clinically isolated syndrome, relapsing-remitting disease, and active secondary progressive disease, in adults.
- Data source
- FDA labeling via NIH DailyMed (label 08f0ea03…)
- Label version
- current
- Last reviewed
- 2026
Reported adverse reactions
Reactions listed in current FDA labeling, with the highest frequency reported across summarized placebo-controlled trials.
No structured frequency data available in current labeling. Consult the official label.
Labeled uses (from FDA prescribing information)
PLEGRIDY is indicated for the treatment of relapsing forms of multiple sclerosis (MS), to include clinically isolated syndrome, relapsing-remitting disease, and active secondary progressive disease, in adults.
Conditions associated with Peginterferon Beta-1A in labeling
Frequently Asked Questions
What is Peginterferon Beta-1A used for?
FDA labeling lists the approved uses shown above under "Labeled uses." This summary is informational; only a qualified prescriber can determine whether a medication is appropriate for you.
What are the most commonly reported side effects of Peginterferon Beta-1A?
Current labeling for this ingredient does not include a structured frequency table that we can reproduce. Review the official label linked below.
Does Peginterferon Beta-1A require lab monitoring?
Monitoring needs vary. Ask your healthcare provider whether any lab tests apply while taking Peginterferon Beta-1A.
Where does this information come from?
All clinical facts on this page were extracted from the current FDA-registered product labeling for this ingredient, published by manufacturers through NIH DailyMed. See the source link below.
Medical disclaimer: Educational content extracted from public FDA labeling. Not medical advice. Always consult a qualified healthcare professional before starting, stopping, or changing any medication.