Hydrocortisone Injectable: Dosing and Precautions
Injectable hydrocortisone guidance for severe allergic or inflammatory reactions when oral treatment is not possible.
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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.
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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