Common Brand Name(s): Mekinist
Important: How To Use This Information
This is a summary and does NOT have all possible information about this product. This information does not assure that this product is safe, effective, or appropriate for you. This information is not individual medical advice and does not substitute for the advice of your health care professional. Always ask your health care professional for complete information about this product and your specific health needs.
Trametinib may be used alone or in combination with another medication (dabrafenib) to treat a type of skin cancer (melanoma). It is also used with dabrafenib to treat thyroid cancer and a type of lung cancer (non-small cell lung cancer-NSCLC). Trametinib works by slowing the growth of cancer cells.
How To Use
Read the Patient Information Leaflet if available from your pharmacist before you start taking trametinib and each time you get a refill. If you have any questions, ask your doctor or pharmacist.
Take this medication by mouth as directed by your doctor, usually once daily at least 1 hour before or 2 hours after a meal.
The dosage is based on your medical condition and response to treatment.
Take this medication regularly to get the most benefit from it. To help you remember, take it at the same time each day.
Do not increase your dose or use this drug more often or for longer than prescribed. Your condition will not improve any faster, and your risk of side effects will increase.
Dizziness, diarrhea, nausea/vomiting, stomach pain, dry/itchy skin, acne, and dry mouth may occur. If any of these effects persist or worsen, tell your doctor or pharmacist promptly. To relieve dry mouth, suck (sugarless) hard candy or ice chips, chew (sugarless) gum, drink water, or use a saliva substitute.
Pain or sores in the mouth and throat may occur. Brush your teeth carefully/gently, avoid using mouthwash that contains alcohol, and rinse your mouth frequently with cool water mixed with baking soda or salt. It may also be best to eat soft, moist foods.
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.
This medication may raise your blood pressure. Check your blood pressure regularly and tell your doctor if the results are high.
Tell your doctor right away if you have any serious side effects, including:
- signs of heart failure (such as shortness of breath, swelling ankles/feet, unusual tiredness, unusual/sudden weight gain)
- signs of lung disease (such as cough, shortness of breath, rapid breathing)
- signs of skin infection (such as red/peeling/warm skin)
- signs of muscle damage (such as muscle pain/tenderness/weakness, unusual tiredness)
- signs of kidney problems (such as change in the amount of urine)
- easy bleeding/bruising
Trametinib can commonly cause a rash that is usually not serious. However, you may not be able to tell it apart from a rare rash that could be a sign of a severe reaction. Therefore, get medical help right away if you develop any rash.
Get medical help right away if you have any very serious side effects, including:
- eye pain/swelling/redness
- vision changes (such as blurred vision, loss of vision, blind spots/shadows in the center of your vision, sensitivity to light)
- signs of bleeding in the brain (such as severe headache, weakness on one side of the body, vision problems, slurred speech, seizures, or confusion)
- signs of serious stomach/intestinal problems (such as severe stomach/abdominal pain, black/bloody stools, vomit that contains blood or looks like coffee grounds, diarrhea with blood/mucus)
- sudden pain/swelling/redness (usually in the leg)
- chest pain
- trouble breathing
Trametinib in combination with dabrafenib may make your blood sugar rise, which can cause or worsen diabetes. Tell your doctor right away if you have symptoms of high blood sugar such as increased thirst/urination. If you already have diabetes, check your blood sugar regularly as directed and share the results with your doctor. Your doctor may need to adjust your diabetes medication, exercise program, or diet.
Trametinib in combination with dabrafenib may rarely cause other cancers (including new skin cancer). Tell your doctor right away if you have symptoms such as:
- new wart
- skin sore
- change in size/color of a mole
- skin bump that bleeds or does not heal
- new lumps/growth
- night sweats
- unexplained/sudden weight loss
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:
- 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 or at www.fda.gov/medwatch.
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 taking trametinib, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, 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:
- high blood pressure
- heart disease (heart failure)
- lung problems
- bleeding problems
- eye problems
- stomach/intestinal problems (such as diverticulitis)
This drug may make you dizzy or blur your vision. Alcohol or marijuana (cannabis) can make you more dizzy. Do not drive, use machinery, or do anything that needs alertness or clear vision until you can do it safely. Limit alcoholic beverages. Talk to your doctor if you are using marijuana (cannabis).
Before having surgery, tell your doctor or dentist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products).
Older adults may be more sensitive to the side effects of this drug, especially swelling of the arms/legs and loss of appetite.
Tell your doctor if you are pregnant or plan to become pregnant. You should not become pregnant while using trametinib. Trametinib may harm an unborn baby. Your doctor should order a pregnancy test before you start this medication. Ask about reliable forms of birth control while using this medication and for 4 months after stopping treatment. Male patients with female partners of childbearing age should use condoms during treatment and for at least 4 months after stopping treatment. If you or your partner become pregnant, talk to your doctor right away about the risks and benefits of this medication.
It is unknown if this drug passes into breast milk. Because of the possible risk to the infant, breast-feeding is not recommended while using this drug and for 4 months after treatment. 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.
If someone has overdosed and has serious symptoms such as passing out or trouble breathing, call 911. Otherwise, call a poison control center right away. US residents can call their local poison control center at 1-800-222-1222. Canada residents can call a provincial poison control center.
Do not share this medication with others.
Laboratory and/or medical tests (such as BRAF testing, heart imaging, blood pressure readings) should be performed before you start treatment, periodically to monitor your progress, or to check for side effects. Consult your doctor for more details.
If you miss a dose, take it as soon as you remember. If it is within 12 hours of your next dose, skip the missed dose. Take your next dose at the regular time. Do not double the dose to catch up.
Store in the refrigerator in the original container away from light and moisture. 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.
Information last revised July 2019.
Copyright(c) 2019 First Databank, Inc.
Conditions of use: The information in this database is intended to supplement, not substitute for the expertise and judgment of healthcare professionals. The information in not intend to cover all possible uses, directions, precautions, drug interactions or adverse effects nor should it be construed in indicate that use of a particular drug is safe, appropriate or effective for you or anyone else. A healthcare professional should be consulted before taking any drug, changing any diet or commencing or discontinuing any course of treatment.