Answer
Co-administration of CRESEMBA (isavuconazonium sulfate) with ritonavir is contraindicated at ritonavir doses greater than 200 mg every 12 hours.
Sources for this answer
- CRESEMBA 200mg Powder for concentrate for solution for infusionPfizer Limited · emc · SmPC §4.3 Contraindications · Version 22Document updated
Sources checked