Metronidazole 400 mg Australia is a prescription antibiotic commonly used to treat bacterial and parasitic infections, including dental infections, skin infections, gastrointestinal infections, and certain sexually transmitted infections. It works by stopping the growth of harmful microorganisms, helping the body recover effectively. In Australia, Metronidazole 400 mg should only be taken under the guidance of a healthcare professional, and patients should complete the full course as prescribed, even if symptoms improve earlier. Alcohol should be avoided during treatment and for at least 48 hours after the last dose due to the risk of unpleasant reactions. Always follow your doctor's instructions and seek medical advice if side effects or allergic reactions occur.