Azunate 120 mg Injection 1’s belongs to the class of ‘anti-malarial drugs’, primarily used to treat malaria. Malaria is a disease caused by a plasmodium parasite, transmitted by the bite of infected Anopheles mosquitoes. When an infected mosquito bites a healthy person, it transmits the ‘Plasmodium parasite’ into the bloodstream, which affects the red blood cells and liver cells. Malaria symptoms usually start 10 days to 4 weeks after the infection.