Furania-SR Tablet contains Nitrofurantoin 100mg, an antibacterial agent primarily used to treat and prevent urinary tract infections (UTIs) caused by susceptible strains of bacteria. Nitrofurantoin works by inhibiting bacterial enzymes involved in the synthesis of DNA, RNA, and cell wall proteins, thereby disrupting bacterial growth and replication. Furania-SR is a sustained-release formulation, providing a prolonged therapeutic effect and improving patient compliance by reducing dosing frequency. It is particularly effective against common UTI pathogens such as Escherichia coli, Staphylococcus saprophyticus, and Enterococcus species. This medication is indicated for uncomplicated UTIs, including cystitis and recurrent infections, and should be used with caution in patients with renal impairment, as adequate kidney function is essential for drug excretion and efficacy. Common side effects may include nausea, headache, and gastrointestinal discomfort, while rare but serious adverse effects can involve pulmonary reactions, hepatotoxicity, and peripheral neuropathy. Patients should complete the full prescribed course to prevent bacterial resistance and recurrence of infection. Furania-SR Tablet is contraindicated in patients with known hypersensitivity to nitrofurantoin or related compounds, and it should be avoided during late pregnancy and in neonates due to the risk of hemolytic anemia. Always consult a healthcare professional before use to ensure safety and appropriate dosing.