Amoxicillin is an antibiotic in a group of drugs called penicillins. Amoxicillin fights bacteria in the body.
Clavulanate potassium is a form of clavulanic acid, which is similar to penicillin. Clavulanate potassium fights bacteria that is often resistant to penicillins and other antibiotics.
The combination of amoxicillin and clavulanate potassium is used to treat many different infections caused by bacteria such as sinusitis, pneumonia, ear infections, bronchitis, urinary tract infections and infections of the skin.