Iverheal 12 is generally considered safe when used as directed for the treatment of parasitic infections. It contains 12mg of ivermectin, an antiparasitic medication that works by paralyzing and killing parasites. Common uses of Iverheal 12 include the treatment of river blindness (onchocerciasis) and certain types of roundworm infections. However, like all medications, Iverheal 12 can cause side effects, although not everyone experiences them. Common side effects may include dizziness, nausea, diarrhea, and skin rash. Serious side effects are rare but can occur, especially at higher doses. It is important to use Iverheal 12 under the supervision of a healthcare professional to minimize the risk of side effects and ensure its safe and effective use.