filgrastim
filgrastim
Pronunciation:
fill-GRA-stim
Other Name(s):
Neupogen®, Grastofil®, Nivestym®, Nypozi®
Appearance:
Clear, colourless solution
This handout gives general information about this cancer medication.
You will learn:
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who to contact for help
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what the medication is
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how it is given
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what to expect while on medication
This handout was created by Ontario Health (Cancer Care Ontario) together with patients and their caregivers who have also gone through cancer treatment. It is meant to help support you through your cancer treatment and answer some of your questions.
This information does not replace the advice of your health care team. Always talk to your health care team about your treatment.
My cancer health care provider is: _____________________________________________
During the day I should contact: _______________________________________________
Evenings, weekends and holidays: _____________________________________________
This page gives general information about this cancer medication.
You will learn:
-
who to contact for help
-
what the medication is
-
how it is given
-
what to expect while on this medication
This information was created by Ontario Health (Cancer Care Ontario) together with patients and their caregivers who have also gone through cancer treatment. It is meant to help support you through your cancer treatment and answer some of your questions.
This information does not replace the advice of your health care team. Always talk to your health care team about your treatment.
- Filgrastim is used to increase the growth of your white blood cells, which help your body fight against infection.
- This medication may also be used to increase your white blood cells before a stem cell transplant. It may also help your white blood cells recover after a bone marrow or stem cell transplant.
- Filgrastim is available as a biosimilar medication. See our biosimilar pamphlet for more information.
Tell your health care team if you have or had significant medical condition(s), especially if you have / had:
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heart disease,
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sickle cell anemia, or
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any allergies
Remember To:
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Tell your health care team about all of the other medications you are taking.
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Keep taking other medications that have been prescribed for you, unless you have been told not to by your health care team.
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This medication is usually given daily by injection under the skin at the same time each day.
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The injection should be used only on specified days. Talk to your healthcare team about your filgrastim treatment schedule.
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If you (or your caregiver) are giving the injection, your health care team will teach you (or your caregiver) how to give the injection. Be sure you understand how to measure the exact dose of filgrastim that is needed, as well as the proper method for preparing and injecting the medication. Talk to your nurse or pharmacist for more information.
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You may take the medication out of the refrigerator about 30 minutes before using it, so that the injection is more comfortable.
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If you miss your filgrastim dose, talk to your health care team to find out what to do.
Warning: If you take too much of this medication by accident, or if you think a child or a pet may have swallowed your medication, you must call the Ontario Poison Control Center right away at: 1-800-268-9017.
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DO check with your health care team before getting any vaccinations, surgery, dental work or other medical procedures.
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DO talk to your health care team about your risk of getting other cancers after this treatment.
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DO tell your health care team about any signs of infection.
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DO NOT take any other medications, such as vitamins, over-the-counter (non-prescription) drugs, or natural health products without checking with your health care team.
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DO NOT start any complementary or alternative therapies, such as acupuncture or homeopathic products, without checking with your health care team.
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DO NOT use tobacco products (such as smoking cigarettes or vaping) or drink alcohol while on treatment without talking to your health care team first. Smoking and drinking can make side effects worse and make your treatment not work as well.
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DO check with your health care team before getting any vaccinations, surgery, dental work or other medical procedures.
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DO talk to your health care team about your risk of getting other cancers after this treatment.
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DO tell your health care team about any signs of infection.
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DO NOT take any other medications, such as vitamins, over-the-counter (non-prescription) drugs, or natural health products without checking with your health care team.
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DO NOT start any complementary or alternative therapies, such as acupuncture or homeopathic products, without checking with your health care team.
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DO NOT use tobacco products (such as smoking cigarettes or vaping) or drink alcohol while on treatment without talking to your health care team first. Smoking and drinking can make side effects worse and make your treatment not work as well.
Yes, this medication can interact with other medications, vitamins, foods and natural health products. Interactions can make this medication not work as well or cause severe side effects.
Tell your health care team about all of your:
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prescription and over-the-counter (non-prescription) medications and all other drugs, such as cannabis/marijuana (medical or recreational)
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natural health products such as vitamins, herbal teas, homeopathic medicines, and other supplements
Check with your health care team before starting or stopping any of them.
- Anti-inflammatory medications such as ibuprofen (Advil® or Motrin®), naproxen (Aleve®) or Aspirin®.
- Over-the-counter products such as dimenhydrinate (Gravol®)
- Natural health products such as St. John’s Wort
- Supplements such as vitamin C
- Grapefruit juice
- Alcoholic drinks
- Tobacco
- All other drugs, such as marijuana or cannabis (medical or recreational)
Talk to your health care team about:
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How this medication may affect your sexual health.
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How this medication may affect your ability to have a baby, if this applies to you.
This medication has not been studied in pregnant women, and its effects on unborn babies are not known. Tell your health care team if you or your partner are pregnant, become pregnant during treatment, or are breastfeeding.
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If there is any chance of pregnancy happening, you and your partner should speak with your health care team before using this medication.
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Do not breastfeed while on this medication.
- Keep in the refrigerator, but do not freeze. Keep out of sight and reach of children and pets.
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Used needle covers, needles and syringes should never be reused and must always be disposed of in a puncture-proof or “sharps” container given to you by your pharmacist.
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Ask your pharmacist for help to properly dispose of these items, including the filled container.
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Do not throw out any unused medications at home. Bring them to your pharmacy to be thrown away safely
The following table lists side effects that you may have when getting filgrastim. The table is set up to list the most common side effects first and the least common last. It is unlikely that you will have all of the side effects listed and you may have some that are not listed.
Read over the side effect table so that you know what to look for and when to get help. Refer to this table if you experience any side effects while on filgrastim.
If you develop signs or symptoms of an infection (if your temperature taken in your mouth (oral temperature) is above 38.3ºC or 100.9ºF at any time OR above 38.0ºC or 100.4ºF for at least one hour, chills, sore throat), call your doctor or get emergency medical help right away.
| Less Common Side Effects (10 to 24 out of 100 people) | |
| Side effects and what to do | When to contact health care team |
|
Mild joint, muscle, back or bone pain What to look for?
What to do?
How to check for fever: Keep a digital (electronic) thermometer at home and take your temperature if you feel hot or unwell (for example, chills, headache, mild pain).
Ask your health care team for the Pain pamphlet for more information. |
Talk to your health care team if it does not improve or if it is severe. |
Other rare, but serious side effects are possible with this treatment.
If you have any of the following, talk to your cancer health care team or get emergency medical help right away:
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irregular heartbeat, chest pain and/or shortness of breath
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cough or coughing up blood
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swelling or puffiness, sudden weight gain, difficulty breathing, fainting, severe bloating in the belly and feeling of fullness, or feeling very tired
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dizziness or fainting during or shortly after the medication is given
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rash, chest or throat tightness during or shortly after the medication is given
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redness, swelling, itching or bruising where the medication was given
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swollen ankles, blood in urine (pee) or brown coloured urine, or passing little or no urine
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pain in the left upper belly or shoulder
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severe chest, belly or joint pain
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rash on the skin that looks like purple or red spots or bumps, clusters of small dots or hives. It may also be itchy.
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unusual bruising or bleeding (such as nose bleeds or bleeding from the gums, black coloured stools (poo) or blood in your stools (poo)
For more information on how to manage your symptoms ask your health care provider, or visit: https://www.cancercareontario.ca/symptoms.
May 2025 Updated/Revised information sheet
The information set out in the medication information sheets, regimen information sheets, and symptom management information (for patients) contained in the Drug Formulary (the "Formulary") is intended to be used by health professionals and patients for informational purposes only. The information is not intended to cover all possible uses, directions, precautions, drug interactions or side effects of a certain drug, nor should it be used to indicate that use of a particular drug is safe, appropriate or effective for a given condition.
A patient should always consult a healthcare provider if he/she has any questions regarding the information set out in the Formulary. The information in the Formulary is not intended to act as or replace medical advice and should not be relied upon in any such regard. All uses of the Formulary are subject to clinical judgment and actual prescribing patterns may not follow the information provided in the Formulary.