Amoxicillin is an antibiotic used to treat a variety of bacterial infections. It belongs to the penicillin class of antibiotics and works by stopping the growth of bacteria. Some of the infections it can treat include pneumonia, bronchitis, ear infections, sinusitis, urinary tract infections, and skin infections

. It can also be used in combination with other medications to eliminate H. pylori, a bacteria that causes ulcers

. However, it's important to note that amoxicillin will not work for viral infections such as the common cold or flu