Drug Interaction Report

Lumacaftor may increase the blood levels and effects of daprodustat. Contact your doctor if your condition changes or you experience increased side effects. Talk to your doctor if you have any questions or concerns. You may need a dose adjustment or more frequent monitoring to safely use both medications. You should seek immediate medical attention if you develop sudden numbness, trouble seeing, loss of balance or coordination, lightheadedness, fainting, shortness of breath, or chest pain during treatment with daprodustat. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.

Ivacaftor should be taken with fat-containing foods such as eggs, avocados, nuts, meat, butter, peanut butter, cheese pizza, and whole-milk dairy products to help with its absorption. Do not consume grapefruit juice or any food that contains grapefruit or Seville oranges during treatment with ivacaftor unless directed otherwise by your doctor. Grapefruit juice can significantly increase the blood levels of ivacaftor. This may increase the risk and/or severity of serious side effects such as liver damage. Call your doctor immediately if you have fever, chills, joint pain or swelling, unusual bleeding or bruising, skin rash, itching, loss of appetite, fatigue, nausea, vomiting, abdominal pain, dark urine, pale stools, and/or yellowing of the skin or eyes, as these may be signs and symptoms of liver damage. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.

Using daprodustat while smoking or drinking alcohol may increase the risk of side effects in the gastrointestinal tract such as stomach inflammation and bleeding. Talk to your doctor if you have any questions or concerns. You should seek immediate medical attention if you have signs and symptoms of gastrointestinal bleeding such as abdominal pain, coughing up or vomiting fresh or dried blood that looks like coffee grounds, black, tarry stools, trouble swallowing, or chest or throat pain. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.