Berirab P 300 IU Injection is a rabies post-exposure prophylaxis (PEP) vaccine. The active ingredient in Berirab P Injection is human rabies immunoglobulin derived from the blood plasma of screened donors. Berirab P 300 IU Injection is used to prevent the development of rabies in people who have been exposed to the virus through bites, scratches, saliva contact with an infected animal or animal traps that have been licked or bitten by infected animals. Berirab P 300 IU Injection is suitable for use in both adults and children.