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Interferon Alfa-N3 Dosage

Medically reviewed by Last updated on May 30, 2023.

Applies to the following strengths: 5000000 intl units/mL

Usual Adult Dose for Condylomata Acuminata

Refractory or recurring external condylomata acuminata:
0.05 mL (250,000 international units) per wart, injected intralesionally 2 times a week for up to 8 weeks

  • The maximum recommended dose per treatment session is 0.5 mL (2.5 million international units).
  • Therapy should not be repeated for at least 3 months after the initial 8-week course of therapy (unless existing warts grow or new warts appear).

Use: For the intralesional treatment of refractory or recurring external condylomata acuminata

Renal Dose Adjustments

Data not available

Liver Dose Adjustments

Data not available

Dose Adjustments

Moderate to severe adverse experiences may require modification of the dose or discontinuation of therapy.



  • Hypersensitivity to the active component or any of the ingredients
  • In patients who have anaphylactic sensitivity to mouse immunoglobulin (IgG), egg protein, or neomycin

Safety and efficacy have not been established in patients younger than 18 years.

Consult WARNINGS section for additional precautions.


Data not available

Other Comments

Storage requirements:

  • Store at 2C to 8C (36F to 46F)
  • Do not freeze
  • Do not shake

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.