Iverheal 12mg  is an oral medication for the treatment of infections or parasite attacks. Doctors prescribe these drugs for patients with scabies and heartworm disease. These are parasitic diseases that are caused by external attacks. Scabies are small parasites that come from people with itchy mites. Filariasis is also the cause of widespread mosquito infection. It causes swelling in the legs, while scabies causes irritation, pimples and rashes. Both of these conditions can cause serious health problems if left untreated.