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Review
, 32 (1), 3-11

Antipsychotics for Patients With Pain

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Review

Antipsychotics for Patients With Pain

Sang Wook Shin et al. Korean J Pain.

Abstract

Going back to basics prior to mentioning the use of antipsychotics in patients with pain, the International Association for the Study of Pain (IASP) definition of pain can be summarized as an unpleasant experience, composed of sensory experience caused by actual tissue damage and/or emotional experience caused by potential tissue damage. Less used than antidepressants, antipsychotics have also been used for treating this unpleasant experience as adjuvant analgesics without sufficient evidence from research. Because recently developed atypical antipsychotics reduce the adverse reactions of extrapyramidal symptoms, such as acute dystonia, pseudo-parkinsonism, akathisia, and tardive dyskinesia caused by typical antipsychotics, they are expected to be used more frequently in various painful conditions, while increasing the risk of metabolic syndromes (weight gain, diabetes, and dyslipidemia). Various antipsychotics have different neurotransmitter receptor affinities for dopamine (D), 5-hydroxytryptamine (5-HT), adrenergic (α), histamine (H), and muscarinic (M) receptors. Atypical antipsychotics antagonize transient, weak D2 receptor bindings with strong binding to the 5-HT2A receptor, while typical antipsychotics block long-lasting, tight D2 receptor binding. On the contrary, antidepressants in the field of pain management also block the reuptake of similar receptors, mainly on the 5-HT and, next, on the norepinephrine, but rarely on the D receptors. Antipsychotics have been used for treating positive symptoms, such as delusion, hallucination, disorganized thought and behavior, perception disturbance, and inappropriate emotion, rather than the negative, cognitive, and affective symptoms of psychosis. Therefore, an antipsychotic may be prescribed in pain patients with positive symptoms of psychosis during or after controlling all sensory components.

Keywords: Antipsychotics; D2 receptor antagonists; Dopamine; Drug related side effects and adverse reactions; Extrapyramidal symptom; Histamine; Pain; Prolactin; Psychosis; Serotonin; Weight gain.

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References

    1. Pain terms: a list with definitions and notes on usage. Recommended by the IASP Subcommittee on Taxonomy. Pain. 1979;6:249. - PubMed
    1. Stroup TS, Alves WM, Hamer RM, Lieberman JA. Clinical trials for antipsychotic drugs: design conventions, dilemmas and innovations. Nat Rev Drug Discov. 2006;5:133–146. - PubMed
    1. Targum SD. Treating psychotic symptoms in elderly patients. Prim Care Companion J Clin Psychiatry. 2001;3:156–163. - PMC - PubMed
    1. Leo RJ, Regno PD. Atypical antipsychotic use in the treatment of psychosis in primary care. Prim Care Companion J Clin Psychiatry. 2000;2:194–204. - PMC - PubMed
    1. Seidel S, Aigner M, Ossege M, Pernicka E, Wildner B, Sycha T. Antipsychotics for acute and chronic pain in adults. Cochrane Database Syst Rev. 2008:CD004844 - PubMed

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