Amoxicillin

Amoxicillin is one of the most commonly prescribed antibiotics and is used to treat everything from bronchitis to pneumonia to ear infections, tonsillitis, and more. It also happens to be the most prescribed antibiotic for uncomplicated UTIs.

What we like: Amoxicillin is popular because, when taken as directed, it works for most simple bacterial infections. It works fast, typically produces few, if any, noticeable side effects, and is quite affordable.