Thyrotoxicosis in the neonate (Management)

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Below is a quick guide to the management of babies born to mothers with hyperthyroidism.
Full guideline available at [INSERT LINK]

*Cord bloods can be sent – please label as cord bloods. If not available then send bloods from baby. Thyroid function tests required 1ml in Lithium Heparin Bottle (small green)

** Features of Hyperthyroidism

  • Head and Neck
    - Goitre, periorbital oedema, exopthalmos
  • CNS
    - Irritable, jittery, poor sleeping , microcephaly (Head <5th centile)
  • CVS
    - Tachycardia, arrhythmias, flushing, sweating, hypertension
  • GI
    - Increased appetite, diarrhoea / vomiting, excess weight loss, hepatosplenomegaly
  • Other
    - jaundice
    - bruising and petechiae (thrombocytopenia)
Editorial Information

Last reviewed: 28 June 2020

Next review: 11 August 2021

Author(s): Lesley Jackson; Lynsey Doran