Flagyl Suspension contains metronidazole, an antibiotic used to treat various bacterial and parasitic infections, including gastrointestinal infections, vaginal infections, and certain types of skin infections. The 200mg dosage in a 120ml liquid form is ideal for children or individuals who have difficulty swallowing tablets. It should be taken as prescribed by a healthcare professional, with the full course completed even if symptoms improve early. Always follow the dosage instructions to ensure effectiveness and avoid side effects.