Entamoeba histolytica, associated with high morbidity and mortality continues to be a major public health problem throughout the world. Poverty, ignorance, overcrowding, poor sanitation and malnutrition favors transmission and increased disease burden. The aim of the study was to evaluate in vitro sensitivity of different metronidazole tablets from Bangladeshi pharmaceuticals against clinical isolates of E. histolytica. Metronidazole tablets of 12 different brands were randomized from some big and small pharmaceuticals according to their business. The parasite count was adjusted to 3x106...