Iverheal 12 mg contains ivermectin, an antiparasitic medicine. If you're asking whether it is safe to take Iverheal 12 mg (ivermectin) together with Cenforce 200 mg (sildenafil), there is no well-established major direct interaction between these two medicines, but information on this exact combination is limited. Cenforce 200 mg is a high dose that can cause low blood pressure, dizziness, visual disturbances, and prolonged erections.