The bacterial infections can be treated with the Meropenem Injection IP. The injection for I.V. use only is given to stop the growth of bacteria. NEP-1gm must be given by a healthcare professional to treat bacterial infection in skin and stomach. This antibiotic can be given to children more than 3 months of age. The dosage depends on the type of infection, age, and other factors. Once the condition improves, the doctor can suggest antibiotics that can be taken by mouth. In some patients, this medication can cause some side effects, like pain, constipation, headache, mouth soreness, etc.