Flagyl 200mg contains Metronidazole, a widely used antibiotic and antiprotozoal medicine effective against various bacterial and parasitic infections. It is commonly prescribed for conditions such as gastrointestinal infections, vaginal infections, dental infections, and certain skin conditions caused by anaerobic bacteria. Flagyl 200mg works by inhibiting the growth of microorganisms, helping to clear the infection effectively. It is important to take this medication exactly as directed by a healthcare professional and complete the full course to prevent resistance. Some common side effects may include nausea, a metallic taste, or mild stomach discomfort. Avoid alcohol during treatment, as it may cause adverse reactions.