SIDE EFFECTS: 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, fever/chills. 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: rash, 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.

PRECAUTIONS: 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 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. 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.

DRUG INTERACTIONS: 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.

OVERDOSE: 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.