Find patient medical information for Amoxicillin (Amoxil and others) on WebMD including its uses, side effects and safety, interactions, pictures, warnings, and user ratings Knowing the right dosage of amoxicillin is crucial for treating infections effectively and avoiding resistance or side effects. This guide will help you understand how much amoxicillin to take, when to take it, and what to do if you miss a dose. Amoxicillin is a type of penicillin antibiotic that treats bacterial infections. Common brand names include Amoxil®, Moxilin®, Sumox and Trimox. 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 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. Not sure if you can take Tylenol and amoxicillin, or any other medications? Learn about amoxicillin interactions with GoodRx to maximize your treatments. Amoxicillin is in a class of medications called penicillin-like antibiotics. It works by stopping the growth of bacteria. Antibiotics such as amoxicillin will not work for colds, flu, and other viral infections. Taking antibiotics when they are not needed increases your risk of getting an infection later that resists antibiotic treatment. Learn about side effects, dosage, uses, and more for amoxicillin, a prescription drug that treats bacterial infections in adults and children. 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 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].