• Basic Info
• Clinical Info

What is this medicine?

CYCLOPHOSPHAMIDE (sye kloe FOSS fa mide) is a chemotherapy drug. It slows the growth of cancer cells. This medicine is used to treat many types of cancer like lymphoma, myeloma, leukemia, breast cancer, and ovarian cancer, to name a few. It is also used to treat nephrotic syndrome in children.

This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions.

What should I tell my health care provider before I take this medicine?

They need to know if you have any of these conditions:

• blood disorders
• infection
• kidney disease
• liver disease
• recent or ongoing radiation therapy
• an unusual or allergic reaction to cyclophosphamide, other chemotherapy, other medicines, foods, dyes, or preservatives
• pregnant or trying to get pregnant
• breast-feeding

How should I use this medicine?

Take this medicine by mouth with a glass of water. Follow the directions on the prescription label. Do not cut, crush or chew this medicine. Take your medicine at regular intervals. Do not take it more often than directed. Do not stop taking except on your doctor's advice.

Talk to your pediatrician regarding the use of this medicine in children. While this drug may be prescribed for selected conditions, precautions do apply.

Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once.
NOTE: This medicine is only for you. Do not share this medicine with others.

What if I miss a dose?

If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.

What may interact with this medicine?

Do not take this medicine with any of the following medications:

• mibefradil
• nalidixic acid

This medicine may also interact with the following medications:

• doxorubicin
• etanercept
• medicines to increase blood counts like filgrastim, pegfilgrastim, sargramostim
• medicines that block muscle or nerve pain
• St. John's Wort
• phenobarbital
• succinylcholine chloride
• trastuzumab
• vaccines

Talk to your doctor or health care professional before taking any of these medicines:

• acetaminophen
• aspirin
• ibuprofen
• ketoprofen
• naproxen

This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.

Last Updated: March 24, 2009