dacomitinib
Other Name: Vizimpro™
in various strengths
- For treating a certain type of lung cancer called Non-Small-Cell Lung Cancer (NSCLC)
Tell your health care team if you have or had significant medical condition(s), especially if you have / had:
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frequent diarrhea
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eye problems
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kidney, lung problems (other than lung cancer) or
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any allergies.
Dacomitinib tablets contain a small amount of lactose. If you cannot have lactose, talk to your health care team.
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.
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 may harm an unborn baby. 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 together must use 2 effective forms of birth control at the same time for at least 2 months after your last dose. Talk to your health care team about which birth control options are best for you.
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Do not breastfeed while on this medication and for at least 2 months after your last dose.
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This medication is usually taken once a day by mouth. Talk to your health care team about how and when to take your medication.
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Take the dose at about the same time each day.
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Swallow whole with a glass of water, with or without food.
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Do not crush or chew the tablets.
- If you take medications that lower your stomach acid, talk to your health care team. Read the section below “What else do I need to know while on this medication?”.
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If you miss a dose, skip the missed dose. Take your next dose at your usual time. Do not take an extra dose to make up for the missed dose.
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If you vomit (throw up) after taking a dose, do not repeat the dose. Take your next dose at your normal time on the following day.
- If you take too much of your oral anticancer 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.
To Treat Diarrhea
Dacomitinib can cause diarrhea. Diarrhea is when you have loose bowel movements (watery poo) or you need to go poo (have bowel movements) more often than usual. Diarrhea may start a few days after your treatment.
You may be given a medication called loperamide (Imodium®) to help treat your diarrhea. Take this medication only if you need it.
Keep your loperamide with you all the time. When diarrhea starts, take the loperamide right away and keep taking it until you have no diarrhea for 12 hours.
Will this medication interact with other medications or natural health products?
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This medication can interact with other medications, vitamins, foods and natural health products. Interactions can make the treatment not work as well or cause severe side effects.
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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 marijuana (medical or recreational)
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natural health products such as vitamins, herbal teas, homeopathic medicines, and other supplements
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Check with your health care team before starting or stopping any of them.
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If you take medications called H2-blockers, such as ranitidine (Zantac®) or famotidine (Pepcid®), take dacomitinib at least 2 hours before or 10 hours after you take the H2-blocker.
What should I do if I feel unwell, have pain, a headache or a fever?
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Always check your temperature to see if you have a fever before taking any medications for fever or pain (such as acetaminophen (Tylenol) or ibuprofen (Advil)).
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Fever can be a sign of infection that may need treatment right away.
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If you take these medications before you check for fever, they may lower your temperature and you may not know you have an infection.
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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).
- You have a fever if your temperature taken in your mouth (oral temperature) is:
- 38.3°C (100.9°F) or higher at any time
OR
- 38.0°C (100.4°F) or higher for at least one hour.
- 38.3°C (100.9°F) or higher at any time
If you do have a fever:
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Try to contact your health care team. If you are not able to talk to them for advice, you MUST get emergency medical help right away.
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Ask your health care team for the Fever pamphlet for more information.
If you do not have a fever but have mild symptoms such as headache or mild pain:
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Ask your health care team about the right medication for you. Acetaminophen (Tylenol®) is a safe choice for most people.
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Talk to your health care team before you start taking Ibuprofen (Advil®, Motrin®), naproxen (Aleve®) or ASA (Aspirin®), as they may increase your chance of bleeding or interact with your cancer treatment.
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Talk to your health care team if you already take low dose aspirin for a medical condition (such as a heart problem). It may still be safe to take.
What to DO while on this medication:
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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 protect your skin from the sun. Wear a long sleeved shirt, long pants and a hat. Apply sunscreen with UVA and UVB protection and an SPF of at least 30. Your skin may be more sensitive to the sun and you could develop a bad sunburn or rash more easily.
What NOT to DO while on this medication:
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DO NOT smoke 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 NOT drive, operate machinery or do any tasks that need you to be alert if you have any problems with your vision or feel drowsy or dizzy.
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Do not throw out any unused medications at home. Bring them to your pharmacy to be thrown away safely.
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Keep this medication in the original packaging at room temperature in a dry place, away from heat and light. Keep out of sight and reach of children and pets.
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How to safely touch oral anti-cancer medications
If you are a patient:
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Wash your hands before and after touching your oral anti-cancer medication.
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Swallow each pill whole. Do not crush or chew your pills.
If you are a caregiver:
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Wear nitrile or latex gloves when touching tablets, capsules or liquids.
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Wash your hands before putting on your gloves and after taking them off, even if your skin did not touch the oral anti-cancer medication.
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Throw out your gloves after each use. Do not re-use gloves.
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Do not touch oral anti-cancer medications if you are pregnant or breastfeeding.
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What to do if oral anti-cancer medication gets on your skin or in your eyes
If medication gets on your skin:
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Wash your skin with a lot of soap and water.
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If your skin gets red or irritated, talk to your health care team.
If medication gets in your eyes:-
Rinse your eyes with running water right away. Keep water flowing over your open eyes for at least 15 minutes.
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The following table lists side effects that you may have when getting dacomitinib. 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 dacomitinib.
Very Common Side Effects (50 or more out of 100 people) | |
Side effects and what to do | When to contact health care team |
Diarrhea (May be severe) What to look for?
What to do? If you have diarrhea:
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Talk to your health care team if no improvement after 24 hours of taking diarrhea medication or if severe (more than 7 times in one day). |
Rash; dry, itchy skin (May be severe) What to look for?
What to do? To prevent and treat dry skin:
Rash may be severe in some rare cases and cause your skin to blister or peel. If this happens, get emergency medical help right away. |
Talk to your health care team if it does not improve or if it is severe. |
Mouth sores (Generally mild) What to look for?
To help prevent mouth sores:
Ask your health care team for the Oral Care (Mouth Care) pamphlet for more information. |
Talk to your health care team as soon as you notice mouth or lip sores or if it hurts to eat, drink or swallow. |
Nail changes (May be severe) What to look for?
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Talk to your health care team if it does not improve or if it is severe. |
Common Side Effects (25 to 49 out of 100 people) | |
Side effects and what to do | When to contact health care team |
Too much or too little salt in your body What to look for?
What to do? Get emergency medical help right away for severe symptoms. |
Get emergency medical help right away for severe symptoms. |
Low appetite What to look for?
Ask your health care team for the Loss of Appetite pamphlet for more information. |
Talk to your health care team if it does not improve or if it is severe. |
Less Common Side Effects (10 to 24 out of 100 people) | |
Side effects and what to do | When to contact health care team |
Liver problems (May be severe) Your health care team may check your liver function with a blood test. The liver changes do not usually cause any symptoms. What to look for?
What to do? If you have any symptoms of liver problems, get emergency medical help right away. |
Get emergency medical help right away. |
Eye problems (May be severe) What to look for?
What to do?
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Talk to your health care team as soon as possible. |
Hair thinning or loss What to look for?
What to do?
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Talk to your health care team if this bothers you. |
Cough and feeling short of breath What to look for?
What to do?
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Talk to your health care team. If you are not able to talk to your health care team for advice, and you have a fever or severe symptoms, you MUST get emergency medical help right away. |
Nausea and vomiting (Generally mild) What to look for?
What to do? To help prevent nausea:
If you have nausea or vomiting:
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Talk to your health care team if nausea lasts more than 48 hours or vomiting lasts more than 24 hours or if severe. |
Rash on your hands and feet (hand-foot syndrome) What to look for?
What to do? To help prevent Hand-foot syndrome:
Also your health care team for the Hand-foot syndrome pamphlet for more information. |
Talk to your health care team if it does not improve or if it is severe. |
Fatigue What to look for?
What to do?
Ask your health care team for the Fatigue pamphlet for more information. |
Talk to your health care team if it does not improve or if it is severe. |
Mild joint, muscle pain or cramps What to look for?
What to do?
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. |
Trouble Sleeping Your medications may cause trouble sleeping. It may get better once your body gets used to the medication or when your treatment ends. What to look for?
What to do? Talk to your health care team if it does not improve or if it is severe. |
Talk to your health care team if it does not improve or if it is severe. |
Who do I contact if I have questions or need help?My cancer health care provider is: ______________________________________________ During the day I should contact:________________________________________________ Evenings, weekends and holidays:______________________________________________
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Other Notes:
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June 2022 Updated/revised info sheet
For more links on how to manage your symptoms go to www.cancercareontario.ca/symptoms.
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.