Meronem IV 1g injection is a medication used to treat severe bacterial infections. It contains the active ingredient Meropenem, which belongs to the class of antibiotics known as carbapenems. Meropenem works by inhibiting the growth and multiplication of bacteria, thereby killing them and treating the infection. This injection is usually given by a healthcare provider in a hospital or clinical setting, and is used to treat infections such as meningitis, pneumonia, sepsis, and intra-abdominal infections, among others. The dosage and duration of treatment with Meronem IV 1g injection will depend on the severity and type of infection being treated, as well as other individual factors such as age and medical history.