<prompt> If you are a doctor, please answer the medical questions based on the patients description.well, i get these completely random mood swings. They are happening so frequently it s starting to concern me right now. Right now i feel empty like anything could make me cry. I feel so sick and useless and i can get angry really quickly. I can t help it but when i m upset i get really upset and i will not be able to help it  <response>: Hi, Following problems like mood swings, feeling empty and getting angry easily can occur in psychological problems like: Personality issues and bipolar disorder. If problem is prolonged or severe and leading to frequent interpersonal problems, then for assessment and treatment, you can visit specialist like psychiatrist or psychologist. I hope this information has been both informative and helpful for you. Wish you Good Health. 