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Cyclophosphamide

This form:

Pronounced

"sye-klo-FOSS-fuh-mide"

Common brand names:

Cytoxan, Procytox

Uses

Cyclophosphamide is used to treat various types of cancer. It is a chemotherapy drug that works by slowing or stopping cell growth.

Cyclophosphamide also works by decreasing your immune system's response to various diseases. It is used to treat a certain type of kidney disease in children after other treatments have not worked.

Other Uses

This section contains uses of this drug that are not listed in the approved professional labeling for the drug but that may be prescribed by your health care professional. Use this drug for a condition that is listed in this section only if it has been so prescribed by your health care professional.

This medication may also be used for various conditions such as lupus and multiple sclerosis.

How to Use This Medication

Take this medication by mouth exactly as directed by your doctor. The dosage is based on your medical condition, weight, response to treatment, and other treatments (such as other chemotherapy drugs, radiation) you may be receiving. Be sure to tell your doctor and pharmacist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products).

During treatment with this medication, you must drink more fluids than usual and pass urine often to help avoid kidney and bladder side effects. Ask your doctor how much you should drink and how often to empty your bladder each day, and follow these instructions carefully.

Swallow the tablets/capsules whole. Do not chew or crush the tablets/capsules. Do not open the capsules. If you have accidental contact with broken tablets/capsules, wash your hands thoroughly right away.

Since this drug can be absorbed through the skin and lungs and may harm an unborn baby, women who are pregnant or who may become pregnant should not handle this medication or breathe dust from the tablets or capsules.

Do not increase your dose or take this medication more often without your doctor's approval. Your condition will not improve any faster and the risk of serious side effects may be increased.

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Drug information is selected from data included with permission and copyrighted by First DataBank, Inc. This is a summary and does not contain all possible information about this product. For complete information about this product or your specific health needs, ask your healthcare professional. Always seek the advice of your healthcare professional if you have any questions about this product or your medical condition. This information is not intended as individual medical advice and does not substitute for the knowledge and judgment of your healthcare professional. This information does not contain any assurances that this product is safe, effective or appropriate for you.

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Information expires December 2025.