Meropenem injection is a prescription antibiotic medication that is used to treat a variety of bacterial infections. It is administered intravenously (IV) by a healthcare professional. Meropenem belongs to a class of antibiotics called carbapenems, which work by interfering with the growth and reproduction of bacteria. It is effective against a wide range of bacteria, including gram-negative and gram-positive bacteria, as well as anaerobic bacteria. Bacpen 1gm is commonly used to treat infections such as pneumonia, meningitis, urinary tract infections, intra-abdominal infections, and skin infections.