What are the possible side effects of MEKTOVI?
MEKTOVI may cause serious side effects, including:
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- Heart problems, including heart failure. MEKTOVI, when taken with encorafenib, can cause heart problems. Your healthcare provider should check your heart function before and during treatment with MEKTOVI. Call your healthcare provider right away if you have any of the following signs and symptoms of a heart problem:
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- feeling like your heart is pounding or racing
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- shortness of breath
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- swelling of your ankles and feet
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- feeling lightheaded
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- Blood clots. MEKTOVI, when taken with encorafenib, can cause blood clots in your arms or legs, which can travel to your lungs and can lead to death. Get medical help right away if you have the following symptoms:
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- chest pain
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- sudden shortness of breath or trouble breathing
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- pain in your legs with or without swelling
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- swelling in your arms and legs
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- a cool pale arm or leg
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- Eye problems. MEKTOVI, when taken with encorafenib, can cause eye problems. Your healthcare provider should perform an eye exam regularly during treatment with MEKTOVI. Tell your healthcare provider right away if you develop any new or worsening symptoms of eye problems, including:
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- blurred vision, loss of vision, or other vision changes
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- see colored dots
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- see halos (blurred outline around objects)
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- eye pain, swelling, or redness
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- Lung or breathing problems. MEKTOVI, when taken with encorafenib, can cause lung or breathing problems. Tell your healthcare provider if you have any new or worsening symptoms of lung or breathing problems, including:
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- shortness of breath
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- cough
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- Liver problems. MEKTOVI, when taken with encorafenib, can cause liver problems. Your healthcare provider should perform blood tests to check your liver function before and during treatment with MEKTOVI. Tell your healthcare provider if you have any of the following signs and symptoms of a liver problem:
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- yellowing of your skin or your eyes
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- dark or brown (tea-colored) urine
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- nausea or vomiting
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- loss of appetite
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- tiredness
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- bruising
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- bleeding
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- Muscle problems (rhabdomyolysis). MEKTOVI, when taken with encorafenib, can cause muscle problems that can be severe. Treatment with MEKTOVI may increase the level of an enzyme in your blood called creatine phosphokinase (CPK) and can be a sign of muscle damage. Your healthcare provider should perform a blood test to check your levels of CPK before and during treatment. Tell your healthcare provider right away if you develop any of these symptoms:
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- weakness
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- muscle aches or pain
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- dark, reddish urine
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- Bleeding problems. MEKTOVI, when taken with encorafenib, can cause serious bleeding problems, including in your brain or stomach, that can lead to death. Tell your healthcare provider and get medical help right away if you develop any signs of bleeding, including:
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- headaches, dizziness, or feeling weak
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- cough up blood or blood clots
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- vomit blood or your vomit looks like “coffee grounds”
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- red or black stool that look like tar
Your healthcare provider may change your dose, temporarily stop, or permanently stop treatment with MEKTOVI if you have certain side effects. The most common side effects of MEKTOVI when taken with encorafenib for melanoma include: |
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- fatigue
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- nausea
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- diarrhea
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- vomiting
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- stomach-area (abdominal) pain
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The most common side effects of MEKTOVI when taken with encorafenib for NSCLC include: |
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- fatigue
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- nausea
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- diarrhea
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- muscle or joint pain
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- vomiting
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- stomach-area (abdominal) pain
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- blurred vision, loss of vision, or other vision changes
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- constipation
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- shortness of breath
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- rash
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- cough
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These are not all of the possible side effects of MEKTOVI. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088. You may also report side effects to Pfizer Inc. at 1-800-438-1985. |