Dabrafenib Capsules

What is this medication?

DABRAFENIB (da BRAF e nib) treats some types of cancer. It works by blocking a protein that causes cancer cells to grow and multiply. This helps to slow or stop the spread of cancer cells.

This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions.

COMMON BRAND NAME(S): Tafinlar

What should I tell my care team before I take this medication?

They need to know if you have any of these conditions:

  • Bleeding disorder
  • Diabetes
  • Eye disease
  • G6PD deficiency
  • Having surgery
  • Heart disease
  • Kidney disease
  • Liver disease
  • An unusual or allergic reaction to dabrafenib, other medications, foods, dyes, or preservatives
  • Pregnant or trying to get pregnant
  • Breast-feeding

How should I use this medication?

Take this medication by mouth with water. Take it as directed on the prescription label at the same time every day. Do not cut, crush, or chew this medication. Swallow the capsules whole. Take it on an empty stomach, at least 1 hour before or 2 hours after food. Your care team may change your dose or tell you to stop taking this medication if you get side effects. Do not change your dose or stop taking it unless your care team tells you to.

Do not take this medication with grapefruit juice.

Take products with H2 blockers or antacids in them at a different time of day than this medication. Take these products 2 hours before or 2 hours after this medication.

A special MedGuide will be given to you by the pharmacist with each prescription and refill. Be sure to read this information carefully each time.

Talk to your care team about the use of this medication in children. While it may be given to children as young as 1 year for selected conditions, precautions do apply.

Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once.

NOTE: This medicine is only for you. Do not share this medicine with others.

What if I miss a dose?

If you miss a dose, take it as soon as you can unless it is less than 6 hours before the next dose. If it is less than 6 hours before the next dose, skip the missed dose. Take the next dose at the normal time.

What may interact with this medication?

Do not take this medication with any of the following:

  • Lonafarnib
  • Mavacamten

This medication may also interact with the following:

  • Dexamethasone
  • Estrogen and progestin hormones
  • Midazolam
  • Warfarin

This medication may affect how other medications work, and other medications may affect the way this medication works. Talk with your care team about all of the medications you take. They may suggest changes to your treatment plan to lower the risk of side effects and to make sure your medications work as intended.

This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.

What should I watch for while using this medication?

Visit your care team for regular checks on your progress. It may be some time before you see the benefit from this medication.

Talk to your care team about your risk of cancer. You may be more at risk for certain types of cancer if you take this medication.

Tell your care team right away if you have any change in your eyesight.

Talk to your care team if you or your partner wish to become pregnant or think either of you might be pregnant. A negative pregnancy test is required before starting this medication. Contraception is recommended while taking this medication and for 2 weeks after the last dose. Your care team can help you find the option that works for you. Estrogen and progestin hormones may not work as well while you are taking this medication.

If your partner can get pregnant, use a condom during sex while taking this medication and for 2 weeks after the last dose. Tell your care team right away if you think your partner might be pregnant.

Do not breast-feed while taking this medication and for 2 weeks after the last dose.

This medication may cause infertility. Talk to your care team if you are concerned about your fertility.

What side effects may I notice from receiving this medication?

Side effects that you should report to your care team as soon as possible:

  • Allergic reactions—skin rash, itching, hives, swelling of the face, lips, tongue, or throat
  • Bleeding—bloody or black, tar-like stools, vomiting blood or brown material that looks like coffee grounds, red or dark brown urine, small red or purple spots on skin, unusual bruising or bleeding
  • Eye pain, redness, irritation, or discharge with blurry or decreased vision
  • Fever, rash, swollen lymph nodes, confusion, trouble walking, loss of balance or coordination, seizures
  • Heart failure—shortness of breath, swelling of the ankles, feet, or hands, sudden weight gain, unusual weakness or fatigue
  • High blood sugar (hyperglycemia)—increased thirst or amount of urine, unusual weakness or fatigue, blurry vision
  • Rash, fever, and swollen lymph nodes
  • Redness, blistering, peeling, or loosening of the skin, including inside the mouth

Side effects that usually do not require medical attention (report to your care team if they continue or are bothersome):

  • Fever
  • Hair loss
  • Headache
  • Joint pain
  • Skin rash

This list may not describe all possible side effects. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Where should I keep my medication?

Keep out of the reach of children and pets.

Store at room temperature between 20 and 25 degrees C (68 and 77 degrees F). Keep this medication in the original container. Protect from moisture. Keep the container tightly closed. Do not throw out the packet in the container. It keeps the medication dry. Get rid of any unused medication after the expiration date.

To get rid of medications that are no longer needed or have expired:

  • Take the medication to a medication take-back program. Check with your pharmacy or law enforcement to find a location.
  • If you cannot return the medication, check the label or package insert to see if the medication should be thrown out in the garbage or flushed down the toilet. If you are not sure, ask your care team. If it is safe to put it in the trash, empty the medication out of the container. Mix the medication with cat litter, dirt, coffee grounds, or other unwanted substance. Seal the mixture in a bag or container. Put it in the trash.

NOTE: This sheet is a summary. It may not cover all possible information. If you have questions about this medicine, talk to your doctor, pharmacist, or health care provider.

© 2023 Elsevier/Gold Standard (2023-03-16 00:00:00)


Additional Information From Chemocare.com About Dabrafenib

Self-Care Tips:

  • Drink at least two to three quarts of fluid every 24 hours, unless you are instructed otherwise.
  • If you should experience nausea, take anti-nausea medications as prescribed by your doctor, and eat small frequent meals. Sucking on lozenges and chewing gum may also help.
  • Avoid sun exposure. Wear SPF 15 (or higher) sun block and protective clothing.
  • In general, drinking alcoholic beverages should be kept to a minimum or avoided completely. You should discuss this with your doctor.
  • Get plenty of rest.
  • Maintain good nutrition.
  • If you have any changes, dizziness and tiredness use caution when driving a car, using machinery, or anything that requires you to be alert.
  • If you experience symptoms or side effects, be sure to discuss them with your health care team. They can prescribe medications and/or offer other suggestions that are effective in managing such problems.

When to contact your doctor or health care provider:

Contact your health care provider and/or go to the emergency room immediately, day or night, if you should experience any of the following symptoms:

  • Fever of 100.4° F (38° or higher, chills)
  • Signs of high blood sugar like confusion, feeling sleepy, more thirst, increased hunger, passing urine more often, flushing, fast breathing, or breath that smells like fruit
  • Signs of a reaction to the medication (wheezing; chest tightness; fever; itching; hives; bad cough; blue or grey skin color; seizures; or swelling of the face, lips, tongue or throat)

Always inform your health care provider if you experience any unusual symptoms.

The following symptoms require medical attention, but are not an emergency. Contact your health care provider within 24 hours of noticing any of the following:

  • Diarrhea (4-6 episodes in a 24-hour period)
  • Nausea (interferes with ability to eat and unrelieved with prescribed medication)
  • Vomiting (vomiting more than 4-5 times in a 24 hour period)
  • Unable to eat or drink for 24 hours or have signs of dehydration: tiredness, thirst, dry mouth, dark and decrease amount of urine, or dizziness
  • Not able to pass urine
  • Too much sweat or fluid loss
  • Skin wound that will not heal
  • Change in eyesight, eye pain, photophobia (intolerance to light) or irritation
  • Onset of shortness of breath, accompanied by cough and/or fever
  • Fast heartbeat
  • Cough with or without mucus
  • Swelling or pain of hands or feet
  • Change in color or size of a mole
  • Any skin change, irritation, itching or rash

Always inform your health care provider if you experience any unusual symptoms.


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