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This medication is used to reduce the risk of bleeding in the bladder (hemorrhagic cystitis), which is a very serious side effect of treatment with a cancer chemotherapy drug called ifosfamide. Mesna helps to protect the lining of the bladder against damage from ifosfamide. The body breaks down ifosfamide to form a product that can harm the bladder, and mesna works by making this product less harmful. However, mesna does not change ifosfamide\'s anti-cancer effects.
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 drug may also be used to reduce the risk of bleeding in the bladder caused by another cancer chemotherapy drug called cyclophosphamide.
How to use mesna IV
This medication is given by injection into a vein by a health care professional. Dosage is based on your body size and your dose of ifosfamide (or cyclophosphamide).
While using this medication, drink at least a quart (4 cups or 1 liter) of liquid each day unless directed otherwise by your doctor. Doing so will also help to reduce the bladder side effects from ifosfamide.
Mesna is very effective in reducing the risk of hemorrhagic cystitis in most patients. However, it may not work in a small number of patients. Therefore, tell your doctor immediately if you notice that your urine is pink, red, or bloody.
Headache, redness/pain/swelling at the injection site, flushing, dizziness, drowsiness, nausea, vomiting, loss of appetite, diarrhea, constipation, sensitive skin, or flu-like symptoms (e.g., sore throat, fever, cough, body aches) may occur. If any of these effects persist or worsen, tell your doctor or pharmacist promptly.
Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.
Tell your doctor right away if you have any serious side effects, including: chest pain, fast heartbeat, swelling ankles/feet, muscle weakness.
A very serious allergic reaction to this drug is rare. However, get medical help right away if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.
This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.
In the US -
Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.
Before using mesna, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients (such as benzyl alcohol found in some brands), which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
Before using this medication, tell your doctor or pharmacist your medical history, especially of: overactive immune system diseases (autoimmune disorders) that may increase your risk for a mesna allergy (e.g., rheumatoid arthritis, lupus, nephritis).
This drug may make you dizzy or drowsy. Do not drive, use machinery, or do any activity that requires alertness until you are sure you can perform such activities safely. Limit alcoholic beverages.
Kidney function declines as you grow older. This medication is removed by the kidneys. The elderly may be more sensitive to the effects of this drug.
During pregnancy, this medication should be used only when clearly needed. Discuss the risks and benefits with your doctor.
It is not known whether this drug passes into breast milk. Since this medication is given with a cancer chemotherapy drug, breast-feeding while using mesna is not recommended. Consult your doctor before breast-feeding.
Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions. Keep a list of all the products you use (including prescription/nonprescription drugs and herbal products) and share it with your doctor and pharmacist. Do not start, stop, or change the dosage of any medicines without your doctor\'s approval.
This medication may interfere with a certain laboratory test (for urinary ketones), possibly causing false test results. Make sure laboratory personnel and all your doctors know you use this drug.
If overdose is suspected, contact your local poison control center or emergency room immediately. US residents can call the US National Poison Hotline at 1-800-222-1222. Canada residents can call a provincial poison control center.
NOTES:
This medication does not protect you from other side effects of ifosfamide. Consult your doctor or pharmacist for more information on how to manage other side effects.
Small amounts of blood in the urine cannot be seen without a microscope. Therefore, a laboratory test to check for blood in your urine should be performed before each dose of ifosfamide to monitor how well mesna is working. Consult your doctor for more details.
MISSED DOSE:
For the best possible benefit, it is important to receive each scheduled dose of this medication as directed. If you miss a dose, contact your doctor or pharmacist immediately to establish a new dosing schedule.
STORAGE:
Consult the product instructions and your pharmacist for storage details. Keep all medications away from children and pets.
Do not flush medications down the toilet or pour them into a drain unless instructed to do so. Properly discard this product when it is expired or no longer needed. Consult your pharmacist or local waste disposal company.
MEDICAL ALERT: Your condition can cause complications in a medical emergency. For information about enrolling in MedicAlert, call 1-800-854-1166 (USA) or 1-800-668-1507 (Canada).
Information last revised September 2012. Copyright(c) 2012 First Databank, Inc.
