Ascorbic acid and quinone compounds in combination with an antiparasitic agent for treating a parasitic disease

Provided herein is a method of treating, preventing, or alleviating one or more symptoms of Chagas disease in a subject, comprising administering to the subject: (i) ascorbic acid, or a single enantiomer, a mixture of enantiomers, or a mixture of diastereomers thereof; or a pharmaceutically acceptable salt, solvate, or hydrate thereof; (ii) a quinone compound, or a single enantiomer, a mixture of enantiomers, or a mixture of diastereomers thereof, or a pharmaceutically acceptable salt, solvate, hydrate, or prodrug thereof; and (iii) an antiparasitic agent.