chloroquine + sulfadoxine + pyrimethamine + LLIN

This item represents a **combination strategy** for malaria control and prevention, involving three **pharmaceutical agents**—**chloroquine**, **sulfadoxine**, and **pyrimethamine**—combined with a **long-lasting insecticidal net** (LLIN), a **non-pharmaceutical intervention**. The three drugs are traditional antimalarial agents: chloroquine is a 4-aminoquinoline antimalarial effective by interfering with heme polymerization in Plasmodium species; sulfadoxine is a sulfonamide that inhibits dihydropteroate synthase (inhibiting folate synthesis); and pyrimethamine is a dihydrofolate reductase inhibitor targeting the same biosynthetic pathway at a different step[1][4]. Together, sulfadoxine-pyrimethamine exert a synergistic antimalarial effect via sequential blockade of folate synthesis, while chloroquine disrupts hemoglobin digestion in the parasite. LLINs provide a physical and chemical barrier to reduce mosquito bites, interrupting malaria transmission. This multi-pronged approach is used particularly in regions with drug resistance and high malaria burden, often as an interim or adjunct public health measure[2][5][8].

Other names

chloroquine, sulphadoxine pyrimethamine, LLINchloroquine + sulphadoxine + pyrimethamine + LLIN-University of Melbourne-malaria-sexually transmitted infections-anemia