The symptoms of schizophrenia vary from person to person and in the same person over time, and they do not always include visual hallucinations, Mental Health America says. The most common type of hallucination in schizo... More »

Paranoid schizophrenia is a type of schizophrenia that involves patients having delusions or false beliefs that one or more people are persecuting or plotting against them, according to WebMD. Patients with paranoid schi... More »

Characteristics of paranoid schizophrenia include hallucinations and delusions. Other symptoms are unhealthy work and social relationships. Physical symptoms include catatonia and difficulty communicating. Additionally, ... More »

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Common symptoms of depression include irritability, feelings of guilt, fatigue, a loss of interest in hobbies, and feelings of hopelessness, according to the National Institute of Mental Health. Insomnia, consistent feel... More »

Symptoms of a schizophrenia may vary but typically include delusions, hallucinations, disorganized thinking or speaking, abnormal motor behavior or other negative cognitive behaviors, according to the Mayo Clinic. Having... More »

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The bipolar type of schizoaffective disorder is characterized by the symptoms of two combined mental illnesses: schizophrenia, marked by hallucinations, delusions and disordered thinking; and bipolar disorder, marked by ... More »

Individuals with bipolar disorder experience drastic depressive and manic mood episodes that alter normal energy and activity levels, sleep patterns and daily behavior, according to the National Institute of Mental Healt... More »

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