Drug Interaction Report

Fluconazole may increase the blood levels of lurbinectedin. This can increase side effects such as liver problems and impaired bone marrow function resulting in low numbers of different types of blood cells. You may also be more likely to develop anemia, bleeding problems, or infections due to low blood cell counts. You should seek medical attention if you develop paleness, fatigue, unusual bruising or bleeding, fever, chills, diarrhea, sore throat, muscle aches, shortness of breath, blood in phlegm, weight loss, red or inflamed skin, body sores, pain or burning during urination, nausea or vomiting, or pain on the right side of the abdomen. Talk to your doctor if you have any questions or concerns. You may need a dose adjustment and more frequent monitoring to safely use both medications together. Your doctor may also 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.

Do not consume Seville oranges, grapefruit, grapefruit juice, or any supplements that contain grapefruit extract during treatment with lurbinectedin unless directed otherwise by your doctor. Grapefruit and Seville oranges may increase the blood levels of lurbinectedin. This may increase side effects such as liver problems and impaired bone marrow function resulting in low numbers of different types of blood cells. You may also be more likely to develop anemia, bleeding problems, or infections due to low blood cell counts. Talk to your doctor if you have any questions or concerns. 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.