Neuroleptic-Induced Deficit Syndrome

Neuroleptic Induced Deficit Syndrome is a clinical syndrome that develops in some patients who take too high doses of an antipsychotic for too long a time. [1] It is most often caused by high-potency typical antipsychotics, but can also be caused by high doses of many atypicals, especially those closer in profile to typical ones (that have higher D2 dopamine receptor affinity and relatively low 5-HT2 serotonin receptor binding affinity), like risperidone and amisulpride.

Symptoms

Neuroleptic induced deficit syndrome is principally characterized by the same symptoms that constitute the negative symptoms of schizophrenia—emotional blunting, apathy, hypobulia, difficulty in thinking, difficulty or total inability in concentrating, attention deficits, and desocialization. This can easily lead to misdiagnosis and mistreatment. Instead of decreasing the antipsychotic, the doctor may increase their dose to try to "improve" what she perceives to be negative symptoms of schizophrenia, rather than antipsychotic side effects.

References

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