Ivermectin medication is used to treat certain parasitic roundworm infections. Curing parasitic infections helps to improve your quality of life. In people with weakened defence (immune) systems, curing roundworm infections can reduce the risk of developing a severe or life-threatening infection. Ivermectin belongs to a class of drugs known as anthelmintics. It works by paralysing and killing parasites.Ivermectin is not recommended for coronavirus disease, also known as COVID-19, unless you are enrolled in a study. Talk to your doctor about the risks and benefits.