Corticosteroid Duration of
action
Anti-inflammatory
potency
Equivalent
dose
Cortisol Short (< 12 hours) 1 20 mg
Prednisone Intermediate
(12 - 36 hours)
4 5 mg
Prednisolone 4 5 mg
Methylprednisolone 5 4 mg
Dexamethasone Long (> 36 hours) 25 0.75 mg
Bethamethasone 25 0.75 mg