Efavirenz Simvastatin 377

Interaction Color Code
Clinical Bottom Line
Adjust dosing to avoid reduced levels of simvastatin
Drug 1
Drug 1 dose
600 mg daily on days 4-18
Drug 1 effect

No significant change

Drug 2
Drug 2 dose
40 mg daily on days 0-3 and 15-18
Drug 2 effect

Simvastatin AUC decreased 58%

Clinical Effects

Decreased lipid effects

Management

Monitor statin efficacy. May need to increase simvastatin dose

Import ID
377