mitomycin (Mutamycin)

Brand Names: Mutamycin

Generic Name: mitomycin

What is mitomycin (Mutamycin)?

Mitomycin is used in combination with other cancer medications to treat cancer of the stomach and pancreas.

Mitomycin treats only the symptoms of stomach or pancreatic cancer but does not treat the cancer itself.

Mitomycin may also be used for purposes not listed in this medication guide.

What are the possible side effects of mitomycin (Mutamycin)?

Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Mitomycin can damage red blood cells, which may cause irreversible kidney failure. Call your doctor right away if you have:

  • pale skin, unusual bruising or bleeding;
  • confusion, tiredness or irritability;
  • stomach pain, bloody diarrhea, red or pink urine;
  • swelling, rapid weight gain; or
  • little or no urinating.

Call your doctor at once if you have:

  • signs of infection (fever, weakness, cold or flu symptoms, skin sores, frequent or recurring illness);
  • wheezing, chest tightness, new or worsening cough, trouble breathing;
  • blisters or ulcers in your mouth, red or swollen gums, trouble swallowing; or
  • pain, burning, redness, irritation, or skin changes where the injection was given.

Common side effects may include:

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

What is the most important information I should know about mitomycin (Mutamycin)?

Mitomycin can weaken (suppress) your immune system, and you may get an infection more easily. Call your doctor if you have signs of infection (fever, weakness, cold or flu symptoms, skin sores, frequent or recurring illness).

Mitomycin can also damage red blood cells, which may cause irreversible kidney failure. Call your doctor right away if you have unusual bruising or bleeding, pale skin, confusion, tiredness or irritability, stomach pain, bloody diarrhea, red or pink urine, swelling, rapid weight gain, and little or no urinating.

What should I discuss with my healthcare provider before receiving mitomycin (Mutamycin)?

You should not use mitomycin if you are allergic to it, or if you have:

  • bleeding or blood clotting disorder such as hemophilia;
  • bone marrow suppression; or
  • active bleeding or any risk of bleeding.

Tell your doctor if you have ever had:

Mitomycin may harm an unborn baby. Use effective birth control to prevent pregnancy, and tell your doctor if you become pregnant.

You should not breastfeed while using mitomycin.

How is mitomycin given (Mutamycin)?

Mitomycin is given as an infusion into a vein. A healthcare provider will give you this medicine.

Tell your caregivers if you feel any burning, pain, or swelling around the IV needle when mitomycin is injected.

Some people receiving mitomycin have developed ulcers on the skin where an injection was given, or on other areas of body. Skin changes may occur several weeks or months after a mitomycin injection. Call your doctor if you notice any redness, sores, oozing, or other skin changes during or after your treatment with mitomycin.

Mitomycin can weaken (suppress) your immune system, and you may get an infection more easily. Your blood will need to be tested often. Your cancer treatments may be delayed based. Mitomycin can have long lasting effects on your body. You may need frequent medical tests for a short time after you stop using this medication.


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What happens if I miss a dose (Mutamycin)?

Call your doctor for instructions if you miss an appointment for your mitomycin injection.

What happens if I overdose (Mutamycin)?

Since this medication is given by a healthcare professional in a medical setting, an overdose is unlikely to occur.

What should I avoid while receiving mitomycin (Mutamycin)?

Avoid being near people who are sick or have infections. Tell your doctor at once if you develop signs of infection.

Avoid activities that may increase your risk of bleeding or injury. Use extra care to prevent bleeding while shaving or brushing your teeth.

Do not receive a "live" vaccine while using mitomycin, or you could develop a serious infection. Live vaccines include measles, mumps, rubella (MMR), polio, rotavirus, typhoid, yellow fever, varicella (chickenpox), zoster (shingles), and nasal flu (influenza) vaccine.

What other drugs will affect mitomycin (Mutamycin)?

Other drugs may affect mitomycin, including prescription and over-the-counter medicines, vitamins, and herbal products. Tell your doctor about all your current medicines and any medicine you start or stop using.

Where can I get more information (Mutamycin)?

Your doctor or pharmacist can provide more information about mitomycin.

Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.
Every effort has been made to ensure that the information provided by Cerner Multum, Inc. ('Multum') is accurate, up-to-date, and complete, but no guarantee is made to that effect. Drug information contained herein may be time sensitive. Multum information has been compiled for use by healthcare practitioners and consumers in the United States and therefore Multum does not warrant that uses outside of the United States are appropriate, unless specifically indicated otherwise. Multum's drug information does not endorse drugs, diagnose patients or recommend therapy. Multum's drug information is an informational resource designed to assist licensed healthcare practitioners in caring for their patients and/or to serve consumers viewing this service as a supplement to, and not a substitute for, the expertise, skill, knowledge and judgment of healthcare practitioners. The absence of a warning for a given drug or drug combination in no way should be construed to indicate that the drug or drug combination is safe, effective or appropriate for any given patient. Multum does not assume any responsibility for any aspect of healthcare administered with the aid of information Multum provides. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the drugs you are taking, check with your doctor, nurse or pharmacist.

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Reviewed on 3/17/2022

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