Ivermectin Duration Explained: How Long It Works in Your Body Ivermectin has been a cornerstone treatment for parasitic infections and certain skin conditions. Whether you're prescribed it for scabies, lice, or a gastrointestinal parasite, one of the most common questions is: “How long does Ivermectin stay in your system?” Understanding Ivermectin’s duration of action, peak effectiveness, and clearance...