If the symptoms of schizophrenia appear but they do not match-up with any of the major types of schizophrenia that are generally recognized, it is commonly referred to as unspecified schizophrenia. Because the nature of the schizophrenia isn't known exactly, the symptoms of the mental disorder may vary wildly from person to person. Signs of various types of schizophrenia are usually exhibited in people who suffer from this type of unknown mental illness, which is why it is called unspecified schizophrenia. Despite the unspecified nature of the mental disorder, there are treatment options available. Before getting to those, here are some more facts about unspecified schizophrenia.