EM Lens of the Month

4 Uses of Hydrocortisone in EM

"Small vial, systemic impact" – Dr. Manivarma

Infographic by Dr. Manivarma • Endorsed by College of Emergency Physicians Malaysia

Hydrocortisone Infographic
THYROID STORM

IV HCT 300mg STAT + 100mg TDS

The most critical function is to blocks the peripheral conversion of T4 to the highly active T3

1st LINE

De Groot LJ, et al. Thyroid Storm (Updated 2025 Apr 15). In: Feingold KR, et al. Endotext. South Dartmouth (MA): MDText.com, Inc.; 2000-.
https://www.ncbi.nlm.nih.gov/books/NBK278927/

AEBA

IV HCT 200mg/DAY

  • Reduces airway inflammation and edema
  • Reduced mucus secretion
2nd LINE

Global Strategy for Asthma Management and Prevention (2025) GINA

ACUTE ADRENAL CRISIS

IV HCT 100mg STAT + 50mg QID

Provides immediate glucocorticoid and essential mineralocorticoid replacement

1st LINE

Karunarathna I, Bandara S, et al. Acute Adrenal Crisis: Clinical Features, Diagnosis, and Management.

REFRACTORY SEPTIC SHOCK

IV HCT 200mg/DAY or 50mg QID

Enhances the vasoconstrictive effects of catecholamines (like norepinephrine)

2nd LINE

Li, Y., Wang, Y., et al. (2025). Influence of hydrocortisone infusion on septic shock: systematic review and meta-analysis. Journal of Intensive Medicine. doi:10.1016/j.jointm.2024.05.001

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