<unk>  is a nitroimidazole antimicrobial that is FDA approved for the treatment of Chagas disease (American trypanosomiasis), caused by Trypanosoma cruzi.   Common adverse reactions include abdominal pain, rash, decreased weight, headache, nausea, vomiting, neutropenia, urticaria, pruritis, eosinophilia, decreased appetite.
Benznidazole
Secnidazole
Tinidazole
Propenidazole
Clomidazole
Ornidazole
Metronidazole 
Nitazoxanide