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Rebif SubQ

Drug Interactions


Generic Name: INTERFERON BETA 1A INJECTION - SUBCUTANEOUS
Pronounced: (in-ter-FEER-on bay-tah)

Rebif SubQ Interactions

Your doctor or pharmacist may already be aware of any possible drug interactions and may be monitoring you for them. Do not start, stop, or change the dosage of any medicine before checking with your doctor or pharmacist first.

Before using this medication, tell your doctor or pharmacist of all prescription and nonprescription/herbal products you may use, especially of:

  • other drugs that may suppress your immune system (e.g., azathioprine, cyclosporine, prednisone, hydroxyurea)
  • other drugs/herbals that may harm your liver (e.g., isoniazid, kava, methotrexate, nefazodone)
  • telbivudine
  • theophylline


This document does not contain all possible interactions. Therefore, before using this product, tell your doctor or pharmacist of all the products you use. Keep a list of all your medications with you, and share the list with your doctor and pharmacist.

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