Managing this medication for someone you care for? Eleplan keeps diagnoses, medications and appointments in one plan.
Start free with EleplanClinical drug
0.5 ML peginterferon alfa-2a 0.36 MG/ML Prefilled Syringe [Pegasys]
0.36 MG/ML · Prefilled Syringe · injection
A form of peginterferon alfa-2a →
0.5 ML peginterferon alfa-2a 0.36 MG/ML Prefilled Syringe [Pegasys] — Interferons. Strength, form, class, interactions & more.
![0.5 ML peginterferon alfa-2a 0.36 MG/ML Prefilled Syringe [Pegasys]](https://dailymed.nlm.nih.gov/dailymed/image.cfm?setid=d9290e5b-6d40-2318-e053-2995a90a9916&name=pegasys-01.jpg)
Active ingredient
Classification
Drug interactions
The label indicates several drug interactions with peginterferon alfa-2a, including theophylline, methadone, nucleoside analogues, and zidovudine, each requiring monitoring and potential dose adjustments.
- moderatetheophylline — increased serum levels
- majormethadone — increased risk of methadone toxicity
- majornucleoside analogues — increased risk of treatment associated toxicities
- majorzidovudine — increased risk of severe neutropenia and anemia
Source: RxNorm + openFDA + RxClass + FAERS · 2026
Look up another medication