Amoxicillin is an antibiotic in the penicillin group of drugs. It fights bacteria in your body.
Amoxicillin is used to treat many different types of infections caused by bacteria, such as ear
infections, bladder infections, pneumonia, gonorrhea, and E. coli or salmonella infection. Amoxicillin is
also sometimes used together with another antibiotic called clarithromycin (Biaxin) to treat stomach
ulcers caused by Helicobacter pylori infection. This combination is sometimes used with a stomach
acid reducer called lansoprazole (Prevacid).
Amoxicillin may also be used for other purposes not listed in this medication guide.