Zithromax contains the active ingredient azithromycin, which is a type of medicine called a macrolide antibiotic. Azithromycin works by preventing bacteria from producing proteins that are essential to them.
Ciprofloxacin is a type of medicine called a fluoroquinolone antibiotic. The active ingredient, ciprofloxacin, works by killing the bacteria that cause gastrointestinal infections (travellers' diarrhoea), urinary infections and other bacterial infections, thereby reducing symptoms such as diarrhoea, pain and fever.
Augmentin is an antibiotic, a type of medicine used to treat bacterial infections. Augmentin consists of a mixture of amoxicillin, a penicillin-type antibiotic, and clavulanic acid, a beta-lactamase inhibitor.