A serious adverse drug reaction probably induced by clonazepam: a case report of myotoxicity

Abstract Background The adverse drug reactions (ADRs) related to clonazepam are mild, and only two cases of myotoxicity induced by clonazepam have been reported, with both patients recovering well. We present a unique case of a serious ADR outcome after taking clonazepam. Case presentation A 24-year...

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Main Authors: Xiaonian Han, Jinping Wang
Format: Article
Language:English
Published: BMC 2019-11-01
Series:BMC Pharmacology and Toxicology
Subjects:
Online Access:http://link.springer.com/article/10.1186/s40360-019-0366-y
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author Xiaonian Han
Jinping Wang
author_facet Xiaonian Han
Jinping Wang
author_sort Xiaonian Han
collection DOAJ
description Abstract Background The adverse drug reactions (ADRs) related to clonazepam are mild, and only two cases of myotoxicity induced by clonazepam have been reported, with both patients recovering well. We present a unique case of a serious ADR outcome after taking clonazepam. Case presentation A 24-year-old woman with a long-standing history of polio and a 2-year history of epilepsy developed a serious ADR after repeated exposure to oral clonazepam combined with sodium valproate that manifested as myotoxicity and elevated levels of creatine phosphokinase. The patient is currently bedridden and unable to take care of herself. Conclusion Clinicians should be vigilant of the possibility of myotoxicity induced by clonazepam, especially in specific populations such as polio patients or when clonazepam is used in combination therapies.
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spelling doaj.art-39239f73befa40ee99eba68327da3eaa2022-12-21T23:09:25ZengBMCBMC Pharmacology and Toxicology2050-65112019-11-012011410.1186/s40360-019-0366-yA serious adverse drug reaction probably induced by clonazepam: a case report of myotoxicityXiaonian Han0Jinping Wang1Department of Pharmacy, Xi’an Central HospitalDepartment of Pharmacy, Xi’an Central HospitalAbstract Background The adverse drug reactions (ADRs) related to clonazepam are mild, and only two cases of myotoxicity induced by clonazepam have been reported, with both patients recovering well. We present a unique case of a serious ADR outcome after taking clonazepam. Case presentation A 24-year-old woman with a long-standing history of polio and a 2-year history of epilepsy developed a serious ADR after repeated exposure to oral clonazepam combined with sodium valproate that manifested as myotoxicity and elevated levels of creatine phosphokinase. The patient is currently bedridden and unable to take care of herself. Conclusion Clinicians should be vigilant of the possibility of myotoxicity induced by clonazepam, especially in specific populations such as polio patients or when clonazepam is used in combination therapies.http://link.springer.com/article/10.1186/s40360-019-0366-yMyotoxicityCreatine phosphokinaseClonazepamPolio
spellingShingle Xiaonian Han
Jinping Wang
A serious adverse drug reaction probably induced by clonazepam: a case report of myotoxicity
BMC Pharmacology and Toxicology
Myotoxicity
Creatine phosphokinase
Clonazepam
Polio
title A serious adverse drug reaction probably induced by clonazepam: a case report of myotoxicity
title_full A serious adverse drug reaction probably induced by clonazepam: a case report of myotoxicity
title_fullStr A serious adverse drug reaction probably induced by clonazepam: a case report of myotoxicity
title_full_unstemmed A serious adverse drug reaction probably induced by clonazepam: a case report of myotoxicity
title_short A serious adverse drug reaction probably induced by clonazepam: a case report of myotoxicity
title_sort serious adverse drug reaction probably induced by clonazepam a case report of myotoxicity
topic Myotoxicity
Creatine phosphokinase
Clonazepam
Polio
url http://link.springer.com/article/10.1186/s40360-019-0366-y
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AT jinpingwang aseriousadversedrugreactionprobablyinducedbyclonazepamacasereportofmyotoxicity
AT xiaonianhan seriousadversedrugreactionprobablyinducedbyclonazepamacasereportofmyotoxicity
AT jinpingwang seriousadversedrugreactionprobablyinducedbyclonazepamacasereportofmyotoxicity