levomepromazine hydrochloride · Medicine question

What interaction is reported between levomepromazine hydrochloride and lithium?

Name: What interaction is reported between levomepromazine hydrochloride and lithium?
Published: 2026-11-08T01:54:19.967Z

iatroX medicinesPublished 8 November 2026

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Combining levomepromazine hydrochloride with lithium carries a risk of neuropsychiatric symptoms suggestive of neuroleptic malignant syndrome or lithium poisoning.

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Nozinan 25mg/ml Solution for Injection/InfusionNeuraxpharm UK Ltd · emc · SmPC §4.5 Interaction with other medicinal products · Version 21Document updated 20 May 2026

Sources checked 8 November 2026

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