The only effective antiparasitic drugs are Benznidazole: For adults and children > 12 years, 2.5 to 3.5 mg / kg orally twice a day for 60 days For children ≤ 12 years, 2.5 to 3.75 mg / kg twice a day for 60 days Nifurtimox: For patients ≥ 17 years, 2 to 2.5 mg / kg orally 4 times a day for 90 days For children aged 11 to 16 years, 3 to 3.75 mg / kg 4 times a day for 90 days For children aged 1 to 10 years, 4 to 5 mg / kg 4 times a day for 90 days Benznidazole is generally better tolerated, and the duration of treatment is shorter.