It is distressing to have such voices called auditory hallucinations
. You must continue with your medications as prescribed from the hospital. It takes some time for the psychiatric medications to have their full effect. Till that time you have to hold yourself and face these things. You should tell your parents and it will be a lot better if they know about it. They are the one who will understand you and you will find chatting with them easy. Do not hesitate to get back to your doctor if you feel that you are not able to handle it.