Canis ISSN: 2398-2942

Nitrous oxide

Contributor(s): Sheilah Robertson

Introduction

Name

  • Nitrous oxide.

Class of drug

  • Inhalational anesthetic.

Description

Molecular formula

  • N2O.

Uses

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Indications

  • Used with oxygen to carry volatile anesthetics for the induction and maintenance of anesthesia. At induction it accelerates the uptake of volatile anesthetics and speeds induction.
  • The minimum anesthetic concentration (MAC) of N2O in dogs is approximately 200, in man it is half of this, therefore in animals there is minimal effect on the MAC of the co-administered inhalent agent.
  • During maintenance it may minimally reduce the inspired concentration of volatile anesthetic required, lowering the adverse effects of the latter General anesthesia: overview.
  • Recovery is more rapid due to less volatile anesthetic being administered over a given time.

Administration

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Pharmocokinetics

Precautions

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Adverse Reactions

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Further Reading

Publications

Other sources of information

  • Based on Tennant B (1999)Small Animal Formulary.3rd edn. Cheltenham: BSAVA.

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