In the realm of antimicrobials, Antiparasitic Drugs play a pivotal role in addressing infections caused by various parasitic organisms. These drugs are instrumental in preventing and treating diseases caused by parasites, ranging from microscopic protozoa to larger helminths. One significant category is the antiprotozoal drugs, which target protozoan parasites responsible for diseases like malaria, leishmaniasis, and toxoplasmosis. Agents like chloroquine and quinine have been fundamental in the fight against malaria, disrupting the life cycle of the Plasmodium parasite. Helminthic infections, caused by parasitic worms, are effectively managed by anthelmintic drugs. Compounds such as ivermectin and praziquantel are widely used to combat infections like river blindness and schistosomiasis. These drugs interfere with the nervous system and musculature of the worms, leading to their elimination from the host organism. The development and continuous improvement of Antiparasitic Drugs underscore the ongoing efforts to address the complex challenges posed by parasitic infections within the broader context of antimicrobial therapeutics.