Diloxanide + Tinidazole is a combination of two medicines: Diloxanide + Tinidazole1 and Diloxanide + Tinidazole2. Diloxanide + Tinidazole1 is an amoebicide. It works inside the large intestine to kill the infection causing amoeba (parasites). Diloxanide + Tinidazole2 is an antibiotic. It kills the bacteria and other microorganisms that cause infections by damaging the DNA.