What Is Amoxicillin 500Mg Used For In Dogs. Amoxicillin 500mg dosage used in humans can be fatal in pets. Infections that involve the bacterium penicillin can be treated with antibacterial drugs.

This means that it can kill bacteria and even help prevent new bacteria from being able to develop. Amoxicillin for urinary tract infections. Most commonly it is used to treat skin, respiratory, and urinary tract infections.