Drug Interaction Report

Using praziquantel together with lumacaftor is not recommended. Combining these medications may significantly reduce the blood levels of praziquantel, which may make the medication less effective in treating your condition. Talk to your doctor if you have any questions or concerns. Your doctor may be able to prescribe alternatives that do not interact. 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.

Food can enhance the levels of praziquantel in your body. To ensure maximal oral absorption, praziquantel should be administered with or immediately after a meal. This will make it easier for your body to absorb the medication. If you are receiving therapy with praziquantel you should avoid grapefruits and grapefruit juice. Grapefruit can raise the levels of praziquantel in your body and increase side effects of dizziness, abdominal discomfort, and nausea.. Do not increase or decrease the amount of grapefruit products in your diet 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.