Treatment of strongyloidiasis (intestinal infection caused by parasitic roundworms). Ivermectin is also used for the treatment of cutaneous larva migrans (infection caused by hookworms), although it is not effective against adult worms. Treatment of nasal angiostrongylosis in cats (infection caused by antihelmintic nematode parasites of the family trombiculidae, infecting the nasal mucosa and sinuses)