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Tuesday, November 24, 2009
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Featured ContentPJ Hamel On NPR!

Cytoxan Oral

Drug Interactions


Generic Name: CYCLOPHOSPHAMIDE - ORAL
Pronounced: (sye-klo-FOSS-fuh-mide)

Cytoxan Oral Interactions

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

This drug should not be used with the following medication because very serious interactions may occur:

  • nalidixic acid


If you are currently using the medication listed above, tell your doctor or pharmacist before starting cyclophosphamide.

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

  • allopurinol
  • chloramphenicol
  • chloroquine
  • digoxin
  • phenobarbital
  • phenothiazines
  • St John's wort
  • turmeric (curcumin)


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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