Trametinib - oral
Trametinib - oral
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.
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:
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:
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:
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 -
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:
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).
This medication is not recommended for use during pregnancy. It may harm an unborn baby. It is important to prevent pregnancy while taking this medication and for 4 months after treatment. Therefore, females must use reliable forms of birth control during treatment and for 4 months after treatment. If you become pregnant or think you may be pregnant, tell your doctor right away.
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.
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 October 2018.
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