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Trametinib

Drug Class: Commonly Known As: Category:
Mekinist Cancer-related

Trametinib - What is it for

​Trametinib is used to treat melanoma (a type of skin cancer) or non-small cell lung cancer that has spread to other parts of the body. It is often given together with another medication called Dabrafenib.

Your doctor will check for a gene mutation before starting you on this. 

Trametinib - Side Effects, Precautions, and Contraindications

What side effects can Trametinib cause?

Common side effects include:

  • Skin rash (acne-like) ​
    • Moisturize your skin daily.
    • Avoid too much exposure to the sun as it may make the rash worse. Use sunscreen and covered clothing if you need to be under the sun for a long period of time.
  • Diarrhea
    • Drink plenty of fluids to replace those lost (2 litres everyday).
    • Avoid oily or spicy food and milk or dairy products.
  • Nausea (especially when treated together with Dabrafenib)
    • Take small, frequent meals throughout the day.
  • Feeling tired and lack of energy
    • Do not drive or operate machinery when you feel tired.
  • Joint or muscle ache
    • Apply a warm compress to the area that aches.
  • Increased blood pressure
    • Monitor your blood pressure regularly and record it down. Inform your doctor if you notice an increasing trend.

Rare but serious side effects include:

  • Unusual swelling of the ankles or feet
  • Sudden onset of cough, chest pain or shortness of breath
  • Fever of 38°C and above, especially with chills, pain or difficulty in passing urine
  • Unusual bleeding, bruising or black sticky stools
  • Warmth, pain, redness or discoloration on the arm or leg
  • Change in eyesight or eye pain
  • Very bad headache or giddiness

The symptoms of a drug allergy include one or more of the following:

  • Swollen face/eyes/lips/tongue
  • Difficulty in breathing
  • Itchy skin rashes over your whole body

If you experience any of these symptoms, you should stop your medication and see your healthcare professional immediately.

Before taking Trametinib, what precautions must I follow?

Inform your healthcare professional if:

  • You are allergic to this medication
  • You or your partner become pregnant or is planning for pregnancy
    • You should use effective birth control during and for 4 months after stopping Trametinib.
  • You are breastfeeding
    • Do not breastfeed during and for 4 months after stopping Trametinib.
  • You have any other medical conditions such as heart problems or diabetes
  • You plan to have surgery, dental procedure or any other medical procedures done 

What food or medicine must I avoid when I take Trametinib?

​Inform your healthcare professional if you are taking or intend to take any other medication, supplements, traditional medications or herbal remedies.

Trametinib - Dosage and How to Use

How should Trametinib be used?

  • ​Take Trametinib once a day at around the same time each day, on an empty stomach at least 1 hour before or 2 hours after food.
  • Do not break or crush the tablet. Swallow the tablet whole.
    • Inform your doctor or pharmacist if you have difficulty swallowing.

What should I do if I miss a dose?

​If you forget to take a dose, take it as soon as you remember. However if it is less than 12 hours to your next dose, skip the missed dose and take your next dose at the usual time. Do not take two doses at the same time. 

What should I do if I overdose?

Trametinib - Handling

How should I handle Trametinib safely?

Trametinib - Storage

How should I store Trametinib?

Keep away from children;#Store in the refrigerator. Do not freeze.;#

​Protect from light and moisture. The bottle contains desiccant to keep your medication dry. Store in original bottle and do not throw away the desiccant.

How should I dispose of Trametinib safely?

​Pack Trametinib into a bag and bring it back to the pharmacy where you received it from.

Trametinib - Additional Information

​You may refer to the following website if you need more information: https://www.macmillan.org.uk/

  • Updated on Monday, September 30, 2019
  • Article contributed by PSS National Medication Information Workgroup PSS National Medication Information Workgroup

    The information provided is not intended as medical advice. Terms of use. Information provided by SingHealth

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