Cytoxan Dosage

For the treatment of cancer, your healthcare provider will base your Cytoxan dosage on several factors, including your height and weight, the type of cancer you have, and other chemotherapy medications you're taking. For treating nephrotic syndrome in children, the drug is generally limited to 60 days to 90 days of use due to the potential side effects that may occur. While some people take the tablet form of the drug, others take their Cytoxan doses through an IV.

 

An Introduction to Cytoxan Dosage

The dose of Cytoxan® (cyclophosphamide) that your healthcare provider recommends will vary depending on a number of factors, including:
 
  • Whether you are taking Cytoxan tablets or the injection form of the medicine
  • The type of cancer being treated
  • Your height and weight
  • Other medications you may be taking
  • Other medical conditions you may have.
     
As always, do not adjust your Cytoxan dosage unless your healthcare provider specifically instructs you to do so.
 
Cytoxan Dosing for Cancer
Your healthcare provider will base your Cytoxan dose on your body surface area (which is calculated using your height and weight). Your Cytoxan dose will vary depending on the type of cancer, the other chemotherapy medications you are taking, and whether you develop bothersome or dangerous Cytoxan side effects. Some people will take Cytoxan tablets, while others will need to get their doses through an IV. Sometimes Cytoxan is taken every day, and sometimes it is taken intermittently (such as twice a week or once every 10 days).
 
Cytoxan Dosing for Nephrotic Syndrome
For the treatment of nephrotic syndrome in children, Cytoxan is usually limited to 60 days to 90 days of use. In boys, taking Cytoxan for more than 60 days increases the risk of low sperm count, and taking Cytoxan for more than 90 days increases the risk of sterility (complete infertility).
 
(Cytoxan Dosage Continued: Page 2)
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Written by/reviewed by: Kristi Monson, PharmD; Arthur Schoenstadt, MD
Last reviewed by: Kristi Monson, PharmD;