artesunate injection 120mg dosage is an antimalarial drug used to treat severe malaria. It is a water-soluble artemisinin derivative that rapidly reduces parasitic load in the blood. This treatment is typically given intravenously in a hospital, especially when oral medications are not an option. Artesunate works by interrupting the growth of the malaria parasite, leading to its demise and reducing symptoms. It is typically used to treat severe or complicated malaria cases, ensuring prompt and effective treatment.