Ivermectin, Stromectol, permethrin causes Chronic Kidney Disease which leads to renal failure. As a human you should not be ingesting pesticides nor applying them on your skin. You will ruin your kidneys. Kidneys are the only organs which do not repair themselves. Check out articles about South American farm workers and the chronic kidney disease epidemic resulting from pesticides. That is why doctors are reticent to prescribe them. Do not self-treat nor self-medicate with these substances/chemicals and toxins. You will regret it. It happened to me and that is why I am sharing my story here to save others from taking years off their life.