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.
How should I use this medicine?
This drug is usually given as an injection into a vein or muscle or by infusion into a vein. It is administered in a hospital or clinic by a specially trained health care professional.
Talk to your pediatrician regarding the use of this medicine in children. Special care may be needed.
What side effects may I notice from receiving this medicine?
Side effects that you should report to your doctor or health care professional as soon as possible:
allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
low blood counts - this medicine may decrease the number of white blood cells, red blood cells and platelets. You may be at increased risk for infections and bleeding.
signs of infection - fever or chills, cough, sore throat, pain or difficulty passing urine
signs of decreased platelets or bleeding - bruising, pinpoint red spots on the skin, black, tarry stools, blood in the urine
signs of decreased red blood cells - unusually weak or tired, fainting spells, lightheadedness
swelling of the ankles, feet, hands
trouble passing urine or change in the amount of urine
yellowing of the eyes or skin
Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):
What may interact with this medicine?
This medicine may interact with the following medications:
certain antiviral medicines for HIV or AIDS such as protease inhibitors (e.g., indinavir, ritonavir) and zidovudine
certain blood pressure medications such as benazepril, captopril, enalapril, fosinopril, lisinopril, moexipril, monopril, perindopril, quinapril, ramipril, trandolapril
certain cancer medications such as anthracyclines (e.g., daunorubicin, doxorubicin), busulfan, cytarabine, paclitaxel, pentostatin, tamoxifen, trastuzumab
certain diuretics such as chlorothiazide, chlorthalidone, hydrochlorothiazide, indapamide, metolazone
certain medicines that treat or prevent blood clots like warfarin
certain muscle relaxants such as succinylcholine
medicines to increase blood counts like filgrastim, pegfilgrastim, sargramostim
medicines used as general anesthesia
What if I miss a dose?
It is important not to miss your dose. Call your doctor or health care professional if you are unable to keep an appointment.
Where should I keep my medicine?
This drug is given in a hospital or clinic and will not be stored at home.
What should I tell my health care provider before I take this medicine?
They need to know if you have any of these conditions:
history of other chemotherapy
recent or ongoing radiation therapy
tumors in the bone marrow
an unusual or allergic reaction to cyclophosphamide, other chemotherapy, other medicines, foods, dyes, or preservatives
pregnant or trying to get pregnant
What should I watch for while using this medicine?
Visit your doctor for checks on your progress. This drug may make you feel generally unwell. This is not uncommon, as chemotherapy can affect healthy cells as well as cancer cells. Report any side effects. Continue your course of treatment even though you feel ill unless your doctor tells you to stop.
Drink water or other fluids as directed. Urinate often, even at night.
In some cases, you may be given additional medicines to help with side effects. Follow all directions for their use.
Call your doctor or health care professional for advice if you get a fever, chills or sore throat, or other symptoms of a cold or flu. Do not treat yourself. This drug decreases your body's ability to fight infections. Try to avoid being around people who are sick.
This medicine may increase your risk to bruise or bleed. Call your doctor or health care professional if you notice any unusual bleeding.
Be careful brushing and flossing your teeth or using a toothpick because you may get an infection or bleed more easily. If you have any dental work done, tell your dentist you are receiving this medicine.
You may get drowsy or dizzy. Do not drive, use machinery, or do anything that needs mental alertness until you know how this medicine affects you.
Do not become pregnant while taking this medicine or for 1 year after stopping it. Women should inform their doctor if they wish to become pregnant or think they might be pregnant. Men should not father a child while taking this medicine and for 4 months after stopping it. There is a potential for serious side effects to an unborn child. Talk to your health care professional or pharmacist for more information. Do not breast-feed an infant while taking this medicine.
This medicine may interfere with the ability to have a child. This medicine has caused ovarian failure in some women. This medicine has caused reduced sperm counts in some men. You should talk with your doctor or health care professional if you are concerned about your fertility.
If you are going to have surgery, tell your doctor or health care professional that you have taken this medicine.