Irinotecan (Conventional

This information from Lexicomp® explains what you need to know about this medication, including what it’s used for, how to take it, its side effects, and when to call your healthcare provider.

Brand Names: US

Camptosar

Brand Names: Canada

Camptosar [DSC]

Warning

  • Diarrhea can happen with this drug. This may lead to dehydration or electrolyte problems and can be severe or life-threatening. Diarrhea may happen early (within 24 hours) or later (after 24 hours) after getting this drug. Early diarrhea may happen with signs like runny nose, flushing, tearing, stomach cramps, more saliva, sweating, or slow heartbeat. Talk with your child’s doctor about what to do if your child has diarrhea. Your child may be given other drugs to treat diarrhea. Call your child’s doctor right away the first time your child has diarrhea, if you are not able to get your child’s diarrhea under control within 24 hours, or if your child is not able to take fluids by mouth. Call your child’s doctor right away if your child has severe or long-lasting diarrhea or throwing up, black or bloody stools, or signs of dehydration like dizziness or passing out.
  • The ability of the bone marrow to make blood cells may be lowered. This can lead to very bad bleeding problems or infections. Tell the doctor right away if your child has signs of infection like fever, chills, or sore throat; any bruising or bleeding; or if your child feels very tired or weak.

What is this drug used for?

  • It is used to treat colorectal cancer.
  • It may be given to your child for other reasons. Talk with the doctor.

What do I need to tell the doctor BEFORE my child takes this drug?

  • If your child is allergic to this drug; any part of this drug; or any other drugs, foods, or substances. Tell the doctor about the allergy and what signs your child had.
  • If your child is on dialysis.
  • If your child takes any other drugs (prescription or OTC, natural products, vitamins). There are many drugs that interact with this drug, like certain drugs that are used for HIV, infections, or seizures.

If your child is breast-feeding a baby:

  • Be sure your child does not breast-feed a baby while taking this drug and for 1 week after the last dose.

This is not a list of all drugs or health problems that interact with this drug.

Tell the doctor and pharmacist about all of your child’s drugs (prescription or OTC, natural products, vitamins) and health problems. You must check to make sure that it is safe to give this drug with all of your child’s other drugs and health problems. Do not start, stop, or change the dose of any drug your child takes without checking with the doctor.

What are some things I need to know or do while my child takes this drug?

  • Tell all of your child’s health care providers that your child is taking this drug. This includes your child’s doctors, nurses, pharmacists, and dentists.
  • Have your child avoid tasks or actions that call for alertness or clear eyesight until you see how this drug affects your child. These are things like riding a bike, playing sports, or using items such as scissors, lawnmowers, electric scooters, toy cars, or motorized vehicles.
  • Your child may have more chance of getting an infection. Some infections have been deadly. Have your child wash hands often. Have your child stay away from people with infections, colds, or flu.
  • The risk of severe or life-threatening low white blood cell counts may be higher in people with certain gene types. A test for these gene types may be done before starting this drug. If you have questions, talk with the doctor.
  • Your child may bleed more easily. Make sure your child is careful and avoids injury. Be sure your child has a soft toothbrush.
  • Have blood work checked as you have been told by the doctor. Talk with the doctor.
  • If your child has an upset stomach or diarrhea, is throwing up, or decreased appetite, talk with the doctor. There may be ways to lower these side effects.
  • Talk with the doctor before your child gets any vaccines. Use of some vaccines with this drug may either raise the chance of very bad infection or make the vaccine not work as well.
  • Blood clots have happened with this drug. Tell the doctor if your child has ever had a blood clot.
  • This drug may affect fertility. Fertility problems may lead to not being able to get pregnant or father a child. If you plan to get pregnant or father a child, talk with your doctor before taking this drug.
  • If your child is of childbearing age, a pregnancy test will need to be done before starting this drug to make sure your child is not pregnant.

If your child is or may be sexually active:

  • This drug may cause harm to the unborn baby if your child takes it during pregnancy.
  • If your child or your child’s partner may become pregnant, birth control must be used while taking this drug and for some time after the last dose. Ask the doctor how long birth control must be used. If your child or your child’s partner gets pregnant, call the doctor right away.

What are some side effects that I need to call my child’s doctor about right away?

WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Tell your child’s doctor or get medical help right away if your child has any of the following signs or symptoms that may be related to a very bad side effect:

  • Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing, swallowing, or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.
  • Signs of infection like fever, chills, very bad sore throat, ear or sinus pain, cough, more sputum or change in color of sputum, pain with passing urine, mouth sores, or wound that will not heal.
  • Signs of fluid and electrolyte problems like mood changes, confusion, muscle pain or weakness, fast or abnormal heartbeat, severe dizziness or passing out, increased thirst, seizures, feeling very tired or weak, decreased appetite, unable to pass urine or change in the amount of urine produced, dry mouth, dry eyes, or severe upset stomach or throwing up.
  • Signs of kidney problems like unable to pass urine, change in how much urine is passed, blood in the urine, or a big weight gain.
  • Signs of bleeding like throwing up or coughing up blood; vomit that looks like coffee grounds; blood in the urine; black, red, or tarry stools; bleeding from the gums; abnormal vaginal bleeding; bruises without a cause or that get bigger; or bleeding you cannot stop.
  • Very bad dizziness or passing out.
  • Redness or irritation of the palms of hands or soles of feet.
  • This drug may irritate the vein. If the drug leaks from the vein, it may also cause irritation around that area. Tell your child’s nurse if your child has any redness, burning, pain, swelling, or leaking of fluid where the drug is going into your child’s body.
  • Call the doctor right away if your child has signs of a blood clot like chest pain or pressure; coughing up blood; shortness of breath; swelling, warmth, numbness, change of color, or pain in a leg or arm; or trouble speaking or swallowing.
  • Some people have had lung problems with this drug. Sometimes, this has been deadly. Call your child’s doctor right away if your child has signs of lung problems like shortness of breath or other trouble breathing, cough that is new or worse, or fever.

What are some other side effects of this drug?

All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your child’s doctor or get medical help if any of these side effects or any other side effects bother your child or do not go away:

  • Hair loss.
  • Constipation, stomach pain, upset stomach, throwing up, or decreased appetite.
  • Feeling dizzy, sleepy, tired, or weak.
  • Trouble sleeping.
  • Headache.
  • Mouth irritation or mouth sores.
  • Back pain.
  • Sweating a lot.
  • Weight loss.
  • Gas.

These are not all of the side effects that may occur. If you have questions about side effects, call your child’s doctor. Call your child’s doctor for medical advice about side effects.

You may report side effects to your national health agency.

How is this drug best given?

Give this drug as ordered by your child’s doctor. Read all information given to you. Follow all instructions closely.

  • It is given as an infusion into a vein over a period of time.
  • Other drugs may be given before this drug to help avoid side effects.

What do I do if my child misses a dose?

  • Call your child’s doctor to find out what to do.

How do I store and/or throw out this drug?

  • If you need to store this drug at home, talk with your child’s doctor, nurse, or pharmacist about how to store it.

General drug facts

  • If your child’s symptoms or health problems do not get better or if they become worse, call your child’s doctor.
  • Do not share your child’s drug with others and do not give anyone else’s drug to your child.
  • Keep all drugs in a safe place. Keep all drugs out of the reach of children and pets.
  • Throw away unused or expired drugs. Do not flush down a toilet or pour down a drain unless you are told to do so. Check with your pharmacist if you have questions about the best way to throw out drugs. There may be drug take-back programs in your area.
  • Some drugs may have another patient information leaflet. If you have any questions about this drug, please talk with your child’s doctor, nurse, pharmacist, or other health care provider.
  • If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.

Consumer Information Use and Disclaimer

This generalized information is a limited summary of diagnosis, treatment, and/or medication information. It is not meant to be comprehensive and should be used as a tool to help the user understand and/or assess potential diagnostic and treatment options. It does NOT include all information about conditions, treatments, medications, side effects, or risks that may apply to a specific patient. It is not intended to be medical advice or a substitute for the medical advice, diagnosis, or treatment of a health care provider based on the health care provider’s examination and assessment of a patient’s specific and unique circumstances. Patients must speak with a health care provider for complete information about their health, medical questions, and treatment options, including any risks or benefits regarding use of medications. This information does not endorse any treatments or medications as safe, effective, or approved for treating a specific patient. UpToDate, Inc. and its affiliates disclaim any warranty or liability relating to this information or the use thereof. The use of this information is governed by the Terms of Use, available at https://www.wolterskluwer.com/en/know/clinical-effectiveness-terms.

Last Reviewed Date

2022-02-09

Copyright

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Last Updated

Monday, December 12, 2022