Use Prednisolone as Glucocorticoid Alternative with Specific Dosing
STEP 1 — Gather Information
Confirm diagnosis of primary adrenal insufficiency via ACTH stimulation test; assess current glucocorticoid regimen and adherence; evaluate need for mineralocorticoid replacement; review for pregnancy or other special considerations. If PAI is confirmed and glucocorticoid replacement is indicated, proceed to assess compliance.
STEP 2 — Rule In / Rule Out
Is the patient non‑adherent or experiencing reduced compliance with multiple‑dose glucocorticoid therapy? If yes, proceed to consider prednisolone; if no, continue with standard hydrocortisone regimen.
STEP 3 — Classify or Stratify
Select prednisolone dose 3–5 mg/d; choose once daily for simplicity or twice daily for more stable levels based on patient preference and lifestyle.
STEP 4 — Decide
Prescribe prednisolone 3–5 mg/d orally once or twice daily; ensure adequate fludrocortisone replacement if mineralocorticoid deficiency present; educate on adherence and stress dosing; schedule follow‑up in 4 weeks.
Clinical Guardrails / Mimics / Pitfalls
Prednisolone has reduced mineralocorticoid activity, so may require increased fludrocortisone; avoid in children (synthetic long‑acting glucocorticoids not recommended); do not use as sole glucocorticoid if mineralocorticoid replacement is inadequate; monitor for Cushingoid signs (weight gain, insomnia, edema); avoid dexamethasone due to higher Cushingoid risk.
Concrete Clinical Example
A 45‑year‑old woman with PAI on hydrocortisone 20 mg BID reports frequent missed doses; switched to prednisolone 4 mg once daily with fludrocortisone 100 µg daily; adherence improved and symptoms stable at 4‑week follow‑up.
Source: Diagnosis and Treatment of Primary Adrenal Insufficiency: An Endocrine Society Clinical Practice Guideline, Endocrine Society, 2016, DOI:10.1210/jc.2015-1710
TODO: consider adding scripts/calc.py for the enda-prednisolone-alternative-glucocorticoid calculator