Breast Cancer Home > Tykerb Drug Interactions

When medicines such as nefazodone or pioglitazone are taken with Tykerb, drug interactions may occur. If these interactions develop, your risk of developing side effects is increased and the level of Tykerb in your blood may be increased or decreased. Other medicines that can cause drug interactions with Tykerb include rifamycin antibiotics, anthracycline chemotherapy medications, and certain seizure medications.

Tykerb Drug Interactions: An Overview

Tykerb® (lapatinib) can potentially interact with other medications. Some of the medicines that may lead to Tykerb drug interactions include:
  • Anthracycline chemotherapy medications, such as:



  • Certain antibiotics or antifungals, such as:



  • Certain seizure medications, such as:



  • Medications that cause an irregular heart rhythm called QT prolongation (see QT Prolonging Medications for a more detailed list), including:





Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
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