PrescriptionGiant is a FREE prescription savings program that can save you up to 75% on your prescriptions with or without insurance!


Actual product appearance may differ slightly.

Click the CARD below to print or take a screenshot on your mobile phone or tablet. There is no need to download another app!

If you would like to personalize your card enter your full name in the member name field below the card at this link and click the Update button.

Why is this medication prescribed?

Trametinib is a prescription medication primarily used for the treatment of certain types of cancer. It belongs to a class of drugs known as kinase inhibitors, specifically targeting a protein called MEK (mitogen-activated protein kinase kinase). Trametinib is commonly prescribed for the treatment of:

  • Metastatic melanoma: Trametinib may be used alone or in combination with other medications for the treatment of unresectable or metastatic melanoma with specific genetic mutations, such as BRAF V600E or V600K mutations.
  • Non-small cell lung cancer (NSCLC): Trametinib may be prescribed in combination with other drugs for the treatment of NSCLC with specific genetic mutations, such as BRAF V600E mutation.
  • Thyroid cancer: Trametinib may be used for the treatment of anaplastic thyroid cancer (ATC) with BRAF V600E mutation.
  • Other cancers: Trametinib is also being studied for its potential effectiveness in other types of cancers, both alone and in combination with other medications.

Overall, trametinib works by blocking the activity of MEK, which is involved in cellular processes that promote cancer growth and progression. By inhibiting MEK, trametinib helps to slow down or stop the growth of cancer cells, thereby reducing the spread and progression of the disease.

How should this medicine be used?

Trametinib is typically prescribed by a healthcare professional, such as an oncologist, and its usage should always be guided by their instructions. However, here’s a general overview of how trametinib is commonly used:

  • Dosage: The dosage of trametinib can vary based on factors such as the type of cancer being treated, the patient’s overall health, and any other medications they may be taking. The healthcare provider will determine the appropriate dosage for each individual case.
  • Administration: Trametinib is usually taken orally, in the form of tablets. It can be taken with or without food, as directed by the healthcare provider. The tablets should be swallowed whole with a glass of water and should not be crushed, chewed, or broken.
  • Timing: Trametinib is typically taken once daily, at the same time each day, to maintain a consistent level of the medication in the bloodstream. It’s essential to follow the prescribed dosing schedule closely and not to miss any doses.
  • Monitoring: While taking trametinib, patients may require regular monitoring by their healthcare provider to assess the medication’s effectiveness and monitor for any potential side effects or complications. This may involve regular check-ups, blood tests, or other evaluations.
  • Duration: The duration of treatment with trametinib can vary depending on factors such as the type and stage of cancer being treated, the patient’s response to the medication, and other individual factors. Treatment may continue for as long as it is providing benefit, as determined by the healthcare provider.
  • Adverse Effects: It’s essential to be aware of potential side effects associated with trametinib and to promptly report any new or worsening symptoms to the healthcare provider. Common side effects may include nausea, diarrhea, rash, fatigue, and elevated liver enzymes, among others.
  • Precautions: Trametinib may interact with other medications or medical conditions, so it’s crucial to inform the healthcare provider about all medications, supplements, and health conditions before starting trametinib treatment.

Always follow the specific instructions provided by the prescribing healthcare provider and the medication’s label carefully. If you have any questions or concerns about how to use trametinib, it’s important to discuss them with your healthcare provider for personalized guidance.

Other uses for this medicine

Trametinib is primarily used in the treatment of certain types of cancer, particularly melanoma. However, it may also have potential uses in other types of cancer or medical conditions. Some ongoing research and clinical trials are exploring its efficacy in different cancer types and other diseases, but as of last update, its primary approved use is for melanoma treatment.

What special precautions should I follow?

Regarding special precautions for trametinib use, here are some important points to consider:

  • Pregnancy and Breastfeeding: Trametinib can harm an unborn baby, so it’s crucial to avoid becoming pregnant while taking it. Effective contraception should be used during treatment and for a period after discontinuing trametinib. Additionally, breastfeeding is not recommended during trametinib treatment due to potential risks to the infant.
  • Liver Function: Trametinib can affect liver function, leading to elevated liver enzymes. Regular monitoring of liver function tests may be necessary during treatment. Patients with pre-existing liver disease may require special precautions or dosage adjustments.
  • Heart Health: Trametinib may cause heart-related side effects such as decreased left ventricular ejection fraction (LVEF) and heart failure. Patients with a history of heart disease or risk factors for heart problems should be closely monitored during treatment.
  • Eye Problems: Trametinib may cause retinal detachment, retinal vein occlusion, or other eye-related issues. Patients should report any changes in vision or eye symptoms to their healthcare provider promptly.
  • Skin Problems: Trametinib can cause skin-related side effects such as rash, dermatitis, and photosensitivity reactions. Sun protection measures should be taken, and any skin changes should be reported to the healthcare provider.
  • Drug Interactions: Trametinib may interact with other medications, potentially affecting their effectiveness or increasing the risk of side effects. It’s essential to inform the healthcare provider about all medications, supplements, and herbal products being taken before starting trametinib treatment.
  • Other Precautions: Patients should follow all instructions provided by their healthcare provider and the medication’s label carefully. This includes adhering to the prescribed dosage, attending regular follow-up appointments, and reporting any new or worsening symptoms promptly.

As always, it’s crucial to discuss any concerns or questions about trametinib with the prescribing healthcare provider to ensure safe and effective use of the medication.

What special dietary instructions should I follow?

Regarding dietary instructions, there are no specific dietary restrictions associated with trametinib. However, it’s essential to maintain a balanced and healthy diet to support overall health and well-being during treatment.

What should I do if I forget a dose?

If you forget to take a dose of trametinib, you should take it as soon as you remember, unless it is almost time for your next scheduled dose. In that case, skip the missed dose and continue with your regular dosing schedule. Do not take a double dose to make up for a missed one. If you are unsure about what to do, it’s best to consult with your healthcare provider or pharmacist for guidance.

What side effects can this medication cause?

Trametinib, like many medications, can cause side effects. Common side effects associated with trametinib may include:

  • Nausea and vomiting: Some individuals may experience nausea and vomiting while taking trametinib. These symptoms can often be managed with medications prescribed by a healthcare provider.
  • Diarrhea: Diarrhea is a common side effect of trametinib. It’s important to stay hydrated and notify a healthcare provider if diarrhea is severe or persistent.
  • Fatigue: Trametinib may cause fatigue or weakness in some individuals. It’s essential to get plenty of rest and avoid activities that require mental alertness or physical exertion if you experience fatigue.
  • Skin rash: Trametinib can lead to skin rash or dermatitis. It’s crucial to notify a healthcare provider if you develop a rash, as they may recommend treatments to manage symptoms.
  • Decreased appetite: Some individuals may experience a decrease in appetite while taking trametinib. Maintaining good nutrition and staying hydrated can help manage this side effect.
  • Hair loss: Trametinib may cause hair thinning or hair loss in some individuals. This side effect is usually temporary and reversible once treatment is stopped.
  • Increased blood pressure: Trametinib can cause an increase in blood pressure. Regular monitoring of blood pressure may be necessary during treatment.
  • Eye problems: Trametinib may lead to eye-related side effects, such as blurred vision, dry eyes, or retinal detachment. It’s essential to report any changes in vision or eye symptoms to a healthcare provider promptly.
  • Heart-related side effects: Trametinib may affect heart function, leading to symptoms such as shortness of breath, chest pain, or irregular heartbeat. It’s crucial to seek medical attention if you experience any symptoms of heart problems.
  • Liver problems: Trametinib can affect liver function, leading to elevated liver enzymes or liver damage. Regular monitoring of liver function tests may be necessary during treatment.

These are not all the possible side effects of trametinib. Some individuals may experience other side effects not listed here. It’s essential to discuss any concerns or questions about side effects with a healthcare provider. They can provide guidance on managing side effects and determine if trametinib is the right treatment option for you.

What should I know about storage and disposal of this medication?

Storage and Disposal of Trametinib:


  • Room temperature: Trametinib tablets should be stored at room temperature between 68°F to 77°F (20°C to 25°C).
  • Protect from light: Keep trametinib tablets in their original container and protect them from light.
  • Keep out of reach of children: Store trametinib in a secure location out of reach of children and pets.
  • Avoid moisture: Keep the container tightly closed and protect the tablets from moisture.


  • Follow local regulations: Dispose of trametinib tablets according to local regulations for hazardous waste disposal or medication disposal.
  • Do not flush: Do not flush trametinib tablets down the toilet or pour them down the drain unless instructed to do so by a healthcare provider or pharmacist.
  • Drug take-back programs: Utilize drug take-back programs or community disposal programs for safe disposal of unused or expired trametinib tablets. Check with your local pharmacy or law enforcement agency for information on drug disposal programs in your area.

In case of emergency/overdose

Emergency/Overdose of trametinib:

  • Seek medical attention: In case of emergency or suspected overdose, immediately contact emergency medical services (such as 911) or a poison control center.
  • Symptom management: Symptoms of overdose may vary but could include severe side effects such as nausea, vomiting, diarrhea, or cardiovascular issues. Treatment will depend on the specific symptoms and severity of the overdose.

What other information should I know?

  • Regular monitoring:Trametinib treatment typically requires regular monitoring by a healthcare provider to assess effectiveness, monitor for side effects, and adjust dosage as needed.
  • Follow-up appointments: Attend all scheduled follow-up appointments with your healthcare provider to ensure the medication is working as intended and to address any concerns or questions.
  • Medication interactions: Inform your healthcare provider about all medications, supplements, and herbal products you are taking, as trametinib may interact with other drugs.
  • Patient support resources: Take advantage of patient support resources, such as support groups or counseling services, to help manage any emotional or practical challenges associated with trametinib treatment.

Always follow the guidance provided by your healthcare provider and the medication’s label regarding storage, disposal, and what to do in case of emergency or overdose. If you have any questions or concerns, don’t hesitate to reach out to your healthcare provider or pharmacist for assistance.

Copyright © 2023