Cancer Home > Caprelsa Drug Interactions
Caprelsa can cause a certain change in the heart rhythm known as QT prolongation. Taking Caprelsa with other drugs that may cause QT prolongation can increase your risk for this potentially life-threatening problem. In general, Caprelsa should not be taken with other QT-prolonging medications. If these medications are taken together, your healthcare provider may need to closely monitor the electrical activity of your heart using an electrocardiogram (ECG).
Taking Caprelsa with silodosin may increase your silodosin blood levels, possibly increasing your risk for side effects. In general, people taking Caprelsa should not take silodosin.
Caprelsa may increase blood levels of topotecan, possibly increasing the risk for side effects. Your healthcare provider may need to monitor you more closely if you take these medicines together.