someone who i know has major meltdowns of crying and sadness, explosions of anger, extremely unrealistic, and thinks everyone is against her, she has major mood swings, and thinks extremely unrealisticly, and is suicidal at times, and she says strange things, and has lost interest in almost everything, she is 14 years old, and has had these symptoms for many years, has been to mental hospitals and has been on many different medications, she is currently on risperdol, she doesnt have any visual or auditory hallucinations, is there a possibilty that she has schizophrenia?