Psychotic symptoms, especially delirium and hallucinations, can result from the use of a wide range of substances, including alcohol, amphetamines, marijuana, cocaine, hallucinogens, inhalants, opioids, phencyclidine, some sedatives and anxiolytics
Schizophreniform disorder is characterized by symptoms similar to schizophrenia, but lasting more than 1 month but less than 6 months. With clinical evaluation, there is reason to suspect the presence of schizophrenia
Schizoaffective disorder is characterized by pronounced mood changes and psychotic symptoms of schizophrenia. This disorder differs from schizophrenia by the presence of one or more episodes with depressive or manic symptoms
Delusional disorder is characterized by delusions (false beliefs) close to everyday life that persist for at least 1 month, while there are no other symptoms of schizophrenia
Transient psychotic disorder manifests itself as delusions, hallucinations or other psychotic symptoms lasting more than 1 day, but less than 1 month, with a possible return to normal premorbid functioning. Usually develops due to severe stress in susceptible people
Personality disorders are encompassing all spheres of life and stable behavioral features that cause pronounced distress and disruption of functioning. There are 10 separate personality disorders that are grouped into three clusters.
Cyclotymic disorder is characterized by hypomanic and mild depressive periods that last for several days, have irregular course and are less pronounced than in bipolar disorder. The diagnosis is clinical and is based on anamnestic information.
Mood disorders are emotional disturbances, manifested by long periods of excessive sadness or excessive gaiety, or both. Mood disorders are divided into depressive and bipolar disorders. Anxiety and related disorders also affect mood.
Compulsive overeating is characterized by episodes of overeating, not entailing inappropriate compensatory behavior, such as causing vomiting or using laxatives. The diagnosis is clinical
