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Psychosis is a condition of the mind or psyche that results in difficulties determining what is real and what is not real. [ 3] Symptoms may include delusions and hallucinations, among other features. [ 3] Additional symptoms are incoherent speech and behavior that is inappropriate for a given situation. [ 3]
Not otherwise specified. In medicine, not otherwise specified ( NOS) is a subcategory in systems of disease /disorder classification such as ICD-9, ICD-10, or DSM-IV. It is generally used to note the presence of an illness where the symptoms presented were sufficient to make a general diagnosis, but where a specific diagnosis was not made. The ...
Schizoaffective disorder is a mental disorder characterized by abnormal thought processes and an unstable mood. [ 4][ 5] This diagnosis requires symptoms of both schizophrenia ( psychosis) and a mood disorder: either bipolar disorder or depression. [ 4][ 5] The main criterion is the presence of psychotic symptoms for at least two weeks without ...
Delusional disorder, traditionally synonymous with paranoia, is a mental illness in which a person has delusions, but with no accompanying prominent hallucinations, thought disorder, mood disorder, or significant flattening of affect. [ 6][ 7] Delusions are a specific symptom of psychosis. Delusions can be bizarre or non-bizarre in content; [ 7 ...
200 million. Major depressive disorder ( MDD ), also known as clinical depression, is a mental disorder [ 8] characterized by at least two weeks of pervasive low mood, low self-esteem, and loss of interest or pleasure in normally enjoyable activities. Introduced by a group of US clinicians in the mid-1970s, [ 9] the term was adopted by the ...
Brief psychotic disorder—according to the classifications of mental disorders DSM-IV-TR and DSM-5—is a psychotic condition involving the sudden onset of at least one psychotic symptom (such as disorganized thought/speech, delusions, hallucinations, or grossly disorganized or catatonic behavior) lasting 1 day to 1 month, often accompanied by emotional turmoil.
Postpartum psychosis ( PPP ), also known as puerperal psychosis or peripartum psychosis, involves the abrupt onset of psychotic symptoms shortly following childbirth, typically within two weeks of delivery but less than 4 weeks postpartum. [ 2] PPP is a condition currently represented under "Brief Psychotic Disorder" in the Diagnostic and ...
Psychiatry, addiction psychiatry. Substance-induced psychosis (commonly known as toxic psychosis or drug-induced psychosis) is a form of psychosis that is attributed to substance intoxication. It is a psychosis that results from the effects of various substances, such as medicinal and nonmedicinal substances, legal and illegal drugs, chemicals ...