Drug Interactions between elacestrant and Tavneos

Elacestrant should be taken with food at approximately the same time each day. Grapefruit, grapefruit juice, and supplements that contain grapefruit, however, may increase the blood levels of elacestrant, which may increase the risk of side effects such as muscle pain, nausea, increased cholesterol, increased liver enzymes, fatigue, decreased hemoglobin, and vomiting. 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.

To ensure adequate absorption of the medication, avacopan should be taken with food. You should avoid or limit consumption of grapefruit, grapefruit juice, or any supplements that contain grapefruit extract during treatment with avacopan unless directed otherwise by your doctor. Grapefruit juice can increase the blood levels of avacopan. This may increase the risk and/or severity of side effects such as nausea, vomiting, diarrhea, infections, and liver problems. You should seek immediate medical attention if you develop signs and symptoms of liver damage such as fever, chills, joint pain or swelling, unusual bleeding or bruising, skin rash, itching, loss of appetite, fatigue, nausea, vomiting, dark colored urine, light colored stools, and yellowing of the skin or eyes. 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.