Answer
Taking lithium with high-dose pericyazine might increase the risk of QT prolongation and neuropsychiatric signs suggesting neuroleptic malignant syndrome or lithium poisoning, while neurotoxicity has rarely been reported with concurrent lithium and neuroleptic treatment.
Sources for this answer
- Pericyazine 10mg/5ml SyrupZentiva · emc · SmPC §4.5 Interaction with other medicinal products · Version 8Document updated
Sources checked