Schizoaffective disorder symptoms and Treatment
Channel: Felix C
Date: 2020-04-01

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Schizoaffective disorder is a mental disorder characterized by abnormal thought processes and an unstable mood. 

The diagnosis is made when the person has symptoms of both schizophrenia (usual psychosis) and a mood disorder—either bipolar disorder or depression—but does not meet the diagnostic criteria for schizophrenia or a mood disorder individually. 

The main criterion for the schizoaffective disorder diagnosis is the presence of psychotic symptoms for at least two weeks without any mood symptoms present.

Schizoaffective disorder can often be misdiagnosed when the correct diagnosis may be psychotic depression, psychotic bipolar disorder, schizophreniform disorder, or schizophrenia. 

It is imperative for providers to accurately diagnose patients, as treatment and prognosis differ greatly for each of these diagnoses.

There are two types of schizoaffective disorder: the bipolar type, which is distinguished by symptoms of mania, hypomania, or mixed episode; and the depressive type, which is distinguished by symptoms of depression only.

Common symptoms of the disorder include hallucinations, delusions, and disorganized speech and thinking. Auditory hallucinations, or "hearing voices," are most common. The onset of symptoms usually begins in young adulthood.

Genetics (researched in the field of genomics); problems with neural circuits; chronic early, and chronic or short-term current environmental stress appear to be important causal factors. 

No single isolated organic cause has been found, but extensive evidence exists for abnormalities in the metabolism of tetrahydrobiopterin (BH4), dopamine, and glutamic acid in people with schizophrenia, psychotic mood disorders, and schizoaffective disorder. People with schizoaffective disorder are likely to have co-occurring conditions, including anxiety disorders and substance use disorders.

The mainstay of current treatment is antipsychotic medication combined with mood stabilizer medication or antidepressant medication or both. There is growing concern by some researchers that antidepressants may increase psychosis, mania, and long-term mood episode cycling in the disorder. 

When there is the risk to self or others, usually early in treatment, hospitalization may be necessary. 

Psychiatric rehabilitation, psychotherapy, and vocational rehabilitation are very important for recovery of higher psychosocial function. 

As a group, people with schizoaffective disorder that were diagnosed using DSM-IV and ICD-10 criteria (which have since been updated) have a better outcome.

 but have variable individual psychosocial functional outcomes compared to people with mood disorders, from worse to the same.

[non-primary source needed] Outcomes for people with DSM-5 diagnosed schizoaffective disorder depend on data from prospective cohort studies.

which have not been completed yet. The DSM-5 diagnosis was updated because DSM-IV criteria resulted in overuse of the diagnosis; that is, DSM-IV criteria led to many patients being misdiagnosed with the disorder. 

DSM-IV prevalence estimates were less than one percent of the population, in the range of 0.5–0.8 percent; newer DSM-5 prevalence estimates are not yet available.

Signs and symptoms.

Schizoaffective disorder is defined by mood disorder-free psychosis in the context of a long-term psychotic and mood disorder. 
Psychosis must meet criterion A for schizophrenia which may include delusions, hallucinations, disorganized speech, thinking or behavior and negative symptoms.
Both delusions and hallucinations are classic symptoms of psychosis.

Delusions are false beliefs that are strongly held despite evidence to the contrary. Beliefs should not be considered delusional if they are in keeping with cultural beliefs. 

Delusional beliefs may or may not reflect mood symptoms (for example, someone experiencing depression may or may not experience delusions of guilt). 

Hallucinations are disturbances in perception involving any of the five senses, although auditory hallucinations (or "hearing voices") are the most common. 

A lack of responsiveness or negative symptoms include alogia (lack of spontaneous speech), blunted affect (reduced intensity of outward emotional expression), avolition (loss of motivation), 

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