Learn about the side effects of amoxicillin, from common to rare, for consumers and healthcare professionals. Amoxicillin is a prescription drug for short-term treatment of certain bacterial infections. Learn about side effects, interactions, warnings, dosage, and more. Find patient medical information for Amoxicillin (Amoxil and others) on WebMD including its uses, side effects and safety, interactions, pictures, warnings, and user ratings Amoxicillin is a penicillin antibiotic used to treat bacterial infections such as tonsillitis, bronchitis, sinusitis, pneumonia, and infections of the ear, nose, throat, skin, or urinary tract. Amoxicillin is used to treat bacterial infections in many different parts of the body (ear, lungs, nose, sinus, skin, urinary tract). It is also used with other medicines (eg, clarithromycin, lansoprazole) to treat H. pylori infection and duodenal ulcers. Amoxicillin is an antibiotic medication belonging to the aminopenicillin class of the penicillin family. The drug is used to treat bacterial infections [9] such as middle ear infection, strep throat, pneumonia, skin infections, odontogenic infections, and urinary tract infections. [9] Official IDARI clinical guidelines for Amoxil (Amoxicillin) administration. Review standard dosage protocols for 500mg and 875mg tablets, capsules, and patient safety data. View amoxicillin information, including dose, uses, side-effects, renal impairment, pregnancy, breast feeding, important safety information and directions for administration. Find out how amoxicillin treats bacterial infections such as chest infections and dental abscesses, and how to take it. NHS medicines information on amoxicillin – what it's used for, side effects, dosage and who can take it. Amoxicillin is a moderate-spectrum, bactericidal beta-lactam antibiotic. Developed as an analog to ampicillin, it features an additional hydroxyl group on the benzene ring.