Published online by Cambridge University Press: 23 March 2020
Neuroleptic malignant syndrome (NMS) takes place in patients in treatment with neuroleptics and it is potentially lethal, being important an early diagnostic and therapeutic approach.
To analyze from a clinical case the clinical and epidemiological features, and therapeutical approach to NMS.
Review of some articles in Mental Health journals and analysis of the following clinical case: 68-year-old woman with bipolar disorder, hospitalized in manic phase. Usual treatment: lithium, trazodone, quetiapine and asenapine. During the admission to hospital, the patient started presenting hyperthermia, sweating, electrolyte disturbances, limb rigidity, and elevation of CPK levels. The suspicion was NMS, so neuroleptics were stopped and fluids and dantrolene were initiated, with favorable evolution.
The discharge diagnosis was NMS. Neuroleptics were gradually reintroduced under vigilance. The patient is stable and has not had new complications. NMS is an uncommon (0.02% to 3% among patients taking neuroleptic agents), but life-threatening condition. Its symptoms are hyperthermia, autonomic nervous system dysfunction, limb rigidity, altered consciousness… The attendant infections, consume of lithium, dehydration, iron deficiency and sharp changes in neuroleptic treatment are predisposing factors. The withdrawal of neuroleptics is the key of the treatment. Benzodiazepines can improve the prognosis, and electroconvulsive therapy can be necessary if there is no response to previous measures.
Neuroleptic malignant syndrome is a life-threatening medical complication we should try to avoid by a correct and careful use of neuroleptics. Additionally, it is important the early treatment, taking withdrawal of neuroleptics as the key starting point.
The authors have not supplied their declaration of competing interest.
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