ISSN 2398-2977      

Dantrolene

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Synonym(s): Dantrolene sodium, Dantrium


Introduction

Name

  • Dantrolene.

Class of drug

  • Muscle relaxant.

Description

Chemical name

  • Dantrolene sodium.

Molecular formula

  • C14H10N4O5.

Molecular weight

  • 314.253 g/mol.

Physical properties

  • Orange powder, slightly soluble in water, but due to its slightly acidic nature the solubility increases somewhat in alkaline solution.

Storage requirements

  • Capsules: should be stored at room temperature in a closed container.
  • Intravenous preparation:
    • Powder to be reconstituted before injection.
    • Store at temperatures <30°C.
    • Once reconstituted, protect from light and use within 6 h.
    • Reconstitution should not be performed with saline or dextrose solutions.

Uses

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Indications

Administration

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Pharmacokinetics

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Precautions

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Interactions

with other drugs

  • In humans, neuromuscular blockade is potentiated when used with other neuromuscular blocking agents.

Sedative   Anesthesia: standing chemical restraint  effects can be potentiated by CNS depressants.

Use with benzodiazepines (such as diazepam   Diazepam  ) may increase muscular weakness and sedation.

Calcium channel blockers should not be used in conjunction with dantrolene for the treatment of malignant hyperthermia.

Adverse Reactions

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Further Reading

Publications

Refereed papers

  • Recent references from PubMed and VetMedResource.
  • McKenzie E C et al (2004) Effect of oral dantrolene sodium on creatinine kinase activity after exercise in horses with recurrent exertional rhabdomyolysis. Am J Vet Res 65, 74-79 PubMed.
  • Edwards J G, Newtont J R, Ramzan P H, Pilsworth R C & Shepherd M C (2003) The efficacy of dantrolene sodium in controlling exertional rhabdomyolysis in the Thoroughbred racehorse. Equine Vet J 35, 707-711 PubMed.

Other sources of information

  • Schreiber (2011) Practical use of Dantrium. In: BEVA Proc. pp 23.
  • DiMaio K et al (2010) Comparative Pharmacokinetics of Two Oral Formulations of Dantrolene in the Horse. In: AAEP Proc.Vol 56. pp 53.
  • PlumPlumbs Veterinary Drug Handbook (2008) 6th edn. Ed: Plumb D. Blackwell Publishing, USA.
  • Product Monograph (2008) Dantrium Capsules. JHP Pharmaceuticals.
  • Valberg S J, McCue M E & Mickelson J R (2008) A Review of Genetic Muscle Disorders in Foals of Quarterhorse Related Breeds. In: Proc AAEP Focus Meeting: First Year of Life. pp 29-36.
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