When certain medications (including delavirdine, efavirenz, and fluticasone) are taken with Kaletra, drug interactions could occur. These interactions can reduce the effectiveness of the medicines or increase your risk for developing serious side effects. Other medications that may cause Kaletra drug interactions include hormonal contraceptives, methadone, statins, and other protease inhibitors. To prevent interactions, your healthcare provider may adjust your dosages.
Kaletra® (lopinavir and ritonavir) can potentially interact with several other medicines. Some of the medicines that may lead to Kaletra drug interactions include:
Arrhythmia medications
Atovaquone (Mepron®)
Certain antibiotics and antifungal medications, such as: