Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions. Keep a list of all the products you use (including prescription/nonprescription drugs and herbal products) and share it with your doctor and pharmacist. Do not start, stop, or change the dosage of any medicines without your doctor's approval.

A product that may interact with this drug is: elacestrant.

Other medications can affect the removal of voxelotor from your body, which may affect how voxelotor works. Examples include azole antifungals (such as fluconazole, ketoconazole), efavirenz, macrolide antibiotics (such as erythromycin), St. John's wort, drugs used to treat seizures (such as carbamazepine, phenytoin), among others.

This medication may interfere with certain lab tests, possibly causing false test results. Make sure lab personnel and all your doctors know you use this drug.