If your voices are getting bothersome, then you need to talk to a psychiatrist. If they're telling you to hurt yourself or someone else, then you definitely need to seek professional help. You need to go to your hospital so they can evaluate things and make sure you'll be safe. Regardless of how often they occur, they need to be gone so they never come back. Your problem isn't uncommon. A lot of people hallucinate, so the local hospital will probably know how to respond to your situation. Take care and keep us updated!