When a patient no longer meets the full criteria for schizophrenia, but continues to experience some signs of the illness, the most likely diagnosis would be:

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Residual schizophrenia is diagnosed when a patient no longer meets the full criteria for schizophrenia but still experiences some symptoms of the illness. This includes negative symptoms such as lack of motivation, decreased emotional expression, and decreased desire for social interaction. Undifferentiated schizophrenia is diagnosed when symptoms do not fit neatly into any of the other types of schizophrenia. Schizophrenia in remission is diagnosed when a patient has gone an extended period of time (usually six months or more) without experiencing significant symptoms of the illness. Schizoid personality disorder is a separate diagnosis from schizophrenia, characterized by a lack of interest in social relationships and limited emotional expression.

When a Patient No Longer Meets the Full Criteria for Schizophrenia