Learn about side effects, dosage, uses, and more for amoxicillin, a prescription drug that treats bacterial infections in adults and children. Amoxicillin is a prescription drug for short-term treatment of certain bacterial infections. Learn about side effects, interactions, warnings, dosage, and more. Amoxicillin is a penicillin antibiotic that fights bacteria. It is used to treat many types of infections such as tonsillitis, bronchitis, pneumonia, and others. NHS medicines information on amoxicillin – what it's used for, side effects, dosage and who can take it. Amoxicillin is a type of penicillin antibiotic that treats bacterial infections. Common brand names include Amoxil®, Moxilin®, Sumox and Trimox. Description 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 also used to treat tonsillitis and pharyngitis (sore throat). Amoxicillin belongs to the group of medicines known. Amoxicillin is used to treat certain infections caused by bacteria, such as pneumonia, skin, and urinary tract infections eliminate H. pylori, a bacteria that causes ulcers in combination with other medications 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. Not sure if you can take Tylenol and amoxicillin, or any other medications? Learn about amoxicillin interactions with GoodRx to maximize your treatments. 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 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] It is taken orally (swallowed by mouth), or less commonly by either intramuscular injection or by an IV bolus.