Ivermectin is an antiparasitic medication, has proven to be an effective treatment for a range of parasitic infections in humans and animals. Originally developed for veterinary use, ivermectin gained prominence in human medicine for its ability to combat onchocerciasis, also known as river blindness, caused by the parasitic worm Onchocerca volvulus. The drug works by binding to invertebrate nerve and muscle cells, leading to paralysis and death of the parasites.

Ivermectin is also effective against other parasitic diseases such as strongyloidiasis, caused by the roundworm Strongyloides stercoralis, and lymphatic filariasis, caused by thread-like filarial worms. Additionally, it is used to treat scabies and head lice, offering a versatile solution for various parasitic infestations.