Ivermectin is a medication used in humans to treat certain parasitic infections.In humans, ivermectin is commonly prescribed for infections such as strongyloidiasis and onchocerciasis, also known as river blindness. Ivermectin for humans is also used to treat scabies and head lice. It is important to take ivermectin only under medical supervision, as incorrect dosing can cause side effects such as dizziness, nausea, diarrhea, or skin rash. Ivermectin is approved by health authorities for specific parasitic infections and should be used only as directed by a qualified healthcare professional.