What is an antibacterial used to treat protozoal and anaerobic infections?

Metronidazole is an antibacterial medication commonly used to treat infections caused by protozoa and anaerobic bacteria. It is effective against conditions such as bacterial vaginosis, trichomoniasis, and certain types of gastrointestinal infections. Metronidazole works by disrupting the DNA of the microorganisms, leading to their death. It is often prescribed in various forms, including oral tablets, topical gels, and intravenous solutions.