Lumacaftor/Ivacaftor (By mouth)
loo-ma-KAF-tor, eye-va-KAF-tor
Treats cystic fibrosis.
Drug classes
Respiratory Agent (About this – PubMed Health)
Uses
Uses of This Medicine
Lumacaftor and ivacaftor combination is used to treat cystic fibrosis (CF) in patients 12 years of age and older. It is only used for patients who have two copies of F508del mutation in their CF transmembrane conductance regulator (CFTR) gene. Your doctor will use a test to check for the mutation before you receive the medicine.
This medicine is available only with your doctor’s prescription.
Other uses (PubMed Health)
How To Use
Tablet
Your doctor will tell you how much medicine to use. Do not use more than directed.
Take this medicine with food that contains fat such as avocado, butter, cheese pizza, eggs, nuts, peanut butter, or whole milk dairy products. This helps your body absorb the medicine.
Read and follow the patient instructions that come with this medicine. Talk to your doctor or pharmacist if you have any questions.
Missed dose: If it is 6 hours or less from the time you normally take your medicine, take a dose as soon as you can. If it is more than 6 hours, skip the missed dose and take your next dose at the regular time. Do not take extra medicine to make up for a missed dose.
Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light.
Drugs and Foods to Avoid
Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.
Some medicines can affect how lumacaftor/ivacaftor works. Tell your doctor if you are using any of the following:
Carbamazepine, clarithromycin, cyclosporine, digoxin, erythromycin, everolimus, ibuprofen, itraconazole, ketoconazole, methylprednisolone, midazolam, montelukast, phenobarbital, phenytoin, posaconazole, prednisone, rifabutin, rifampin, St John’s wort, sirolimus, tacrolimus, triazolam, telithromycin, or voriconazole Birth control pills or other hormone-based contraceptives including patches, rings, implants, or injections. Blood thinner (including warfarin) Diabetes medicine (including glimepiride, glipizide, glyburide, repaglinide) Medicine to treat depression (including citalopram, escitalopram, sertraline) Stomach medicine (including esomeprazole, lansoprazole, omeprazole, ranitidine)When Not To Use
This medicine is generally considered safe for most people. Talk to your doctor if you have concerns.
Warnings
Tell your doctor if you are pregnant or breastfeeding, or if you have kidney disease or liver disease.
This medicine may cause the following problems:
Liver problems Vision problemsYour doctor will do lab tests at regular visits to check on the effects of this medicine. Keep all appointments.
Keep all medicine out of the reach of children. Never share your medicine with anyone.
Possible side effects
Summary More details
Call your doctor right away if you notice any of these side effects:
Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing
Changes in vision
Dark urine or pale stools, nausea, vomiting, loss of appetite, stomach pain, yellow skin or eyes
Trouble breathing, chest tightness or discomfort
If you notice these less serious side effects, talk with your doctor:
Cough, stuffy or runny nose, sore throat
Irregular, missed, or abnormal menstrual periods
Mild nausea
If you notice other side effects that you think are caused by this medicine, tell your doctor.
Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
More side effects of this drug
Brand names include
Orkambi
There may be other brand names for this medicine.