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1 May 2026Injectable drugsSource update: September 2023

Hydrocortisone Injectable: Dosing and Precautions

Injectable hydrocortisone guidance for severe allergic or inflammatory reactions when oral treatment is not possible.

Also searched as

Hydrocortisone
Prescription under medical supervision

Source reviewed

September 2023

Guide category

Injectable drugs

Safety boundary

Prescription medicine information for clinician-guided use.

Kenza Health Hub presents this medicine page as structured health education. Check dose, route, interactions, pregnancy or breast-feeding considerations, and local protocol with a qualified clinician or pharmacist. Read our medical editorial policy.

This guide page is for structured reference only and does not replace a clinician, pharmacist, or emergency review. Dose choice, route choice, interactions, and safety decisions still need professional judgment.

Therapeutic action

Short-acting steroidal anti-inflammatory drug (corticosteroid).

Indications

Symptomatic treatment of severe allergic and inflammatory reactions, when oral administration is not possible.

Forms and strengths, route of administration

  • Powder for injection, 100 mg hydrocortisone in vial, to be dissolved in 2 ml water for injection, for IM or slow IV injection or infusion.

Dose and duration

Doses may be repeated at 6- or 8-hour intervals up to 3 or 4 times according to reaction severity and clinical response. Change to oral route with prednisolone as soon as possible.

  • Child 1 month to 11 years: 4 mg/kg, maximum 100 mg.
  • Child 12 years and over and adult: 100 to 200 mg.

Contra-indications, adverse effects, precautions

  • In case of systemic infection, only administer if the patient is under antimicrobial treatment.
  • Avoid prolonged administration in patients with peptic ulcer, diabetes mellitus, or cirrhosis.
  • May cause adrenal suppression, muscle atrophy, growth retardation, increased susceptibility to infections, sodium and water retention, osteoporosis, hypokalaemia, and digitalis toxicity if prolonged with high doses.
  • Pregnancy: no contra-indication.
  • Breast-feeding: no contra-indication.

Source

MSF Essential drugs practical guidelines (January 2026)

This page combines source-derived medicine reference sections with Kenza editorial context, while leaving out the Storage and Remarks sections from the source batch.

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