Antibiotics is an medications used for treating bacterial infections. Though, it does act on all bacterial infections but, on many. Amoxil belongs to a group of medicines known as aminopenicillins, which is part of a larger group of medications known as beta-lactam antibiotics (named after the ring-like "lactam" structure of these antibiotics).
Antibiotics over the counter at Walmart is a prescription medicine for bacterial infections of various kinds. Some of them are- ear infections, nose infections, sinus infections, throat infections (as strep throat), urinary tract infections (such as kidney infection and bladder infections), lower respiratory tract infections, etc. Antibiotic works by stopping bacteria from making cell walls, which eventually causes the bacteria to die. Cell walls are must for protecting bacteria, keeping the contents of the bacterial cell together, and majorly for bacteria survival. Antibiotics for UTI does not actually kill bacteria. Bacteria’s against which Amoxicillin is effective are H. influenzae, N. gonorrhoea, E. coli, Pneumococci, Streptococci, and certain strains of Staphylococci.