Exotis ISSN 2398-2985

Reptiles

Vitamin A

Synonym(s): Retinal, Retinol, Retinoic acid

Contributor(s): Vetstream Ltd, David Perpinan

Introduction

Name

  • Retinol.

Class of drug

  • Vitamin.

Description

Chemical name

  • 3,7-dimethyl-9-(2,6,6-trimethylcyclohexen-l-yl)nona-2,4,6,8-tetraen-l-ol.

Molecular formula

  • C20H30O.

Molecular weight

  • 286.

Physical properties

  • Yellow crystals or an orange solid.
  • Practically water insoluble.
  • Light sensitive.
  • Non-flammable.

Storage requirements

  • Protect from exposure to light.
  • Keep containers tightly closed to prevent oxidation.

Uses

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Indications

  • Hypovitaminosis A Hypovitaminosis A: very common in some species in captivity, such as freshwater turtles and chameleons. Probably common, but less evident, is other species of reptiles.
  • As a nutritional supplement, vitamin A may need to be added to deficient diets to prevent hypovitaminosis A and to promote bone formation Nutritional requirements.

Administration

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Pharmacokinetics

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Precautions

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Interactions

with other drugs

  • Cholestyramine and neomycin may affect oral uptake and absorption as does mineral oil.

Adverse Reactions

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Further Reading

Publications

Refereed papers

Other sources of information

  • BNF Publications (2017) BNF Online - The British National Formulary. Website: www.BNF.org. Last accessed 22nd June 2018.
  • Mayer J & Donnelly T M (2013) Clinical Veterinary Advisor: Birds and Exotic Pets. Elsevier, USA. pp 752.
  • Higdon J, Drake V J & Russell R M (2007) Vitamin A. Oregon State University, Linus Pauling Institute, Micronutrient Information Center. Website: http://lpi.oregonstate.edu. Last accessed 22nd June 2018.
  • Mader D R (2006) Ed Reptile Medicine and Surgery. Saunders Elsevier, USA. pp 1242.
  • McArthur S, Wilkinson R & Meyer J (2004) Medicine and Surgery of Tortoises and Turtles. Blackwell Publishing, UK. pp 579.
  • Girling S J & Raiti P (2004) BSAVA Manual of Reptiles. BSAVA, UK. pp 383.
  • McDonald P, Edwards R A, Greenhalgh J F D & Morgan C A (1996) Animal Nutrition. 5th edn. Longman, UK.

Organisation(s)

  • National Office of Animal Health (NOAH) Compendium of Data Sheets for Animal Medicines. Website: www.noahcompendium.co.uk.

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