Felis ISSN 2398-2950

Liothyronine

Synonym(s): L-Tri-iodothyronine, T3, Tertroxin, Thyronine, Tri-iodothyronine

Contributor(s): Vetstream Ltd

Introduction

Name

  • Liothyronine.

Class of drug

  • Hormone.

Uses

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Indications

Administration

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Precautions

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Interactions

with other drugs

  • The actions of catecholamines (epinephrine, norepinephrine) and sympathomimetics are enhanced by thyroxine.
  • Thyroid hormones increase the catabolism of vitamin K-dependant clotting factors, thereby potentiating the anticoagulant effects of warfarin.
  • Diabetic patients receiving thyroid hormones may have altered insulin requirements - monitor carefully during the initiation of therapy.
  • Estrogens may increase thyroid requirements by increasing TBg.
  • The therapeutic effect of digoxin and digitoxin may be reduced by thyroid hormones.
  • Tachycardia and hypertension may develop when ketamine is given to patients receiving thyroid hormones.

Adverse Reactions

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Further Reading

Publications

Refereed papers

Other sources of information

  • BSAVA Small Animal Formulary. Ramsey I (2017) 9th edn. Cheltenham: BSAVA.

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